original_text stringlengths 2.54k 9.36k | problem stringlengths 302 1.56k | bug_code stringlengths 41 5.44k | bug_desc stringlengths 46 325 | bug_fixes stringlengths 31 471 | unit_tests stringlengths 128 531 | id stringlengths 10 28 | original_text_for_feedback stringlengths 915 3.03k | conversation stringlengths 2.74k 10.4k |
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<problem>
Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the F... | Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the Fibonacci s... | def fibonacci(n):
if n <= 0:
return "OOPS"
elif n == 1:
return 1
elif n == 2:
return 1
else:
a = 0
b = 1
for i in range(0, n):
temp = b
b = a + b
a = temp
return b | On line 11, the for loop iterates `n` times. Consequently, the function returns the (n+1)th term of the Fibonacci sequence instead of the nth term, as the loop generates one additional term beyond the desired nth term. | Replace `range(0, n)` with `range(1, n)` on line 11.
Replace `range(0, n)` with `range(0, n - 1)` on line 11.
Replace `range(0, n)` with `range(2, n + 1)` on line 11. | assert fibonacci(0) == 'OOPS'
assert fibonacci(1) == 1
assert fibonacci(2) == 1
assert fibonacci(5) == 5
assert fibonacci(-3) == 'OOPS'
assert fibonacci(10) == 55 | 0_0_fibonacci | <problem>
Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the F... | {'system': '<problem>\nCreate a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:\n- \'OOPS\', if `n` is less than or equal to 0 \n- `1` if `n` is equal to `1`\n- `1` if `n` is equal to `2`\n- Otherwise, return th... |
<problem>
Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the F... | Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the Fibonacci s... | def fibonacci(n):
if n <= 0:
return "OOPS"
elif n == 1 or n == 2:
return 1
else:
return fibonacci(n) + fibonacci(n-1) | `fibonacci(n)` calls `fibonacci(n)` on line 7 with the same argument `n` which leads to infinite recursion and consequently a runtime error is thrown. | Replace `fibonacci(n) + fibonacci(n-1)` with `fibonacci(n-1) + fibonacci(n-2)` on line 7. | assert fibonacci(0) == 'OOPS'
assert fibonacci(1) == 1
assert fibonacci(2) == 1
assert fibonacci(5) == 5
assert fibonacci(-3) == 'OOPS'
assert fibonacci(10) == 55 | 0_5_fibonacci | <problem>
Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the F... | {'system': '<problem>\nCreate a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:\n- \'OOPS\', if `n` is less than or equal to 0 \n- `1` if `n` is equal to `1`\n- `1` if `n` is equal to `2`\n- Otherwise, return th... |
<problem>
Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the F... | Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the Fibonacci s... | def fibonacci(n):
if n < 0:
return "OOPS"
elif n == 1:
return 1
elif n == 2:
return 1
else:
a = 0
b = 1
for i in range(1, n):
temp = b
b = a + b
a = temp
return b | On line 2, the function only checks if `n` is less than `0` and then returns `OOPS`. When `n` is 0 the function returns `1` which is incorrect. The function should instead return `'OOPS'` when `n` is equal to `0`. | Replace `if n < 0` with `if n <= 0` on line 2. | assert fibonacci(0) == 'OOPS'
assert fibonacci(1) == 1
assert fibonacci(2) == 1
assert fibonacci(5) == 5
assert fibonacci(-3) == 'OOPS'
assert fibonacci(10) == 55 | 0_2_fibonacci | <problem>
Create a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:
- 'OOPS', if `n` is less than or equal to 0
- `1` if `n` is equal to `1`
- `1` if `n` is equal to `2`
- Otherwise, return the nth term of the F... | {'system': '<problem>\nCreate a function `fibonacci(n:int)` that takes in a parameter `n`, an integer representing the number of terms in the Fibonacci sequence to generate, and returns:\n- \'OOPS\', if `n` is less than or equal to 0 \n- `1` if `n` is equal to `1`\n- `1` if `n` is equal to `2`\n- Otherwise, return th... |
<problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the final grade,... | def calculateGrade(hw, exams, projects, att):
hw = hw * 0.2
exams = exams * 0.4
projects = projects * 0.30
att = att * 0.10
finalScore = hw + exams + projects + att
roundedScore = round(finalScore)
if finalScore >= 90:
letterGrade = "A"
elif finalScore >= 80:
letterGrade = "B"
... | On lines 10, 12, 14, and 16 the function uses `finalScore`, which is not rounded to the nearest integer, to determine the `letterGrade`. Consequently, the function returns the incorrect `letterGrade` on edge cases where the closest integer is in a new category. | Replace `finalScore` with `roundedScore` on lines 10, 12, 14, and 16. | assert calculateGrade(100, 100, 100, 100) == ('A', 100)
assert calculateGrade(100, 89, 85, 90) == ('A', 90)
assert calculateGrade(72, 96, 74, 98) == ('B', 85)
assert calculateGrade(100, 82, 68, 94) == ('B', 83)
assert calculateGrade(75, 60, 73, 100) == ('C', 71)
assert calculateGrade(75, 60, 73, 87) == ('C', 70)
assert... | 1_10_calculating_a_grade | <problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | {'system': '<problem>\nCreate a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student\'s grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth... |
<problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the final grade,... | Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the final grade,... | The return statement on line 15 is never executed. Consequently, the function only returns a string `letterGrade` instead of returning a tuple with a string and an integer containing the letter grade and the rounded final score respectively. | Remove line 15 and replace `letterGrade` with `(letterGrade, roundedScore)` on line 15. | assert calculateGrade(100, 100, 100, 100) == ('A', 100)
assert calculateGrade(100, 89, 85, 90) == ('A', 90)
assert calculateGrade(72, 96, 74, 98) == ('B', 85)
assert calculateGrade(100, 82, 68, 94) == ('B', 83)
assert calculateGrade(75, 60, 73, 100) == ('C', 71)
assert calculateGrade(75, 60, 73, 87) == ('C', 70)
assert... | 1_11_calculating_a_grade | <problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | {'system': "<problem>\nCreate a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth ... |
<problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the final grade,... | def calculateGrade(hw, exams, projects, att):
weights = [0.1, 0.3, 0.4, 0.2]
grades = [hw, exams, projects, att]
final_grade = 0
for i in range(len(weights)):
final_grade += weights[i] * grades[i]
final_grade = round(final_grade)
if final_grade >= 90:
return ('A', final_grade)
eli... | On lines 2 and 3, the `weights` and `grades` are not parallel arrays. Consequently, the function will return an incorrect weighted sum of the final grade. | On line 2 replace `[0.1, 0.3, 0.4, 0.2]` with `[0.2, 0.4, 0.3, 0.1]`.
On line 3 replace `[hw, exams, projects, att]` with ` [att, projects, exams, hw]`. | assert calculateGrade(100, 100, 100, 100) == ('A', 100)
assert calculateGrade(100, 89, 85, 90) == ('A', 90)
assert calculateGrade(75, 60, 73, 100) == ('C', 71)
assert calculateGrade(75, 60, 73, 87) == ('C', 70)
assert calculateGrade(70, 60, 65, 70) == ('D', 64)
assert calculateGrade(0, 0, 0, 0) == ('F', 0) | 1_13_calculating_a_grade | <problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | {'system': "<problem>\nCreate a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth ... |
<problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the final grade,... | def calculateGrade(hw, exams, projects, att):
finalScore = hw * 0.2 + exams * 0.4 + projects * 0.3 + att * 0.1
roundedScore = round(finalScore)
if roundedScore > 90:
letterGrade = "A"
elif roundedScore >= 80:
letterGrade = "B"
elif roundedScore >= 70:
letterGrade = "C"
elif rounde... | When `roundedScore` is `90` the if statement on line 4 evaluates to False, since `90` is not strictly greater than `90`. Consequently, the function assigns `B` to `letterGrade` which is incorrect. | Replace `roundedScore > 90` with `roundedScore >= 90` on line 4. | assert calculateGrade(100, 100, 100, 100) == ('A', 100)
assert calculateGrade(100, 89, 85, 90) == ('A', 90)
assert calculateGrade(72, 96, 74, 98) == ('B', 85)
assert calculateGrade(100, 82, 68, 94) == ('B', 83)
assert calculateGrade(75, 60, 73, 100) == ('C', 71)
assert calculateGrade(75, 60, 73, 87) == ('C', 70)
assert... | 1_8_calculating_a_grade | <problem>
Create a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student's grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth 40% of the fi... | {'system': '<problem>\nCreate a method `calculateGrade(hw:float, exams: float, projects: float, att:float) -> Tuple[str, int]` that takes in four float parameters between 0 and 100 representing a student\'s grades in four different categories: Homework (`hw`) which is worth 20% of the final grade, Exams (`exams`) worth... |
<problem>
Create a method `toxNGLXSH(sen:str) -> str` that converts an English sentence to xNGLXSH in which every lowercase vowel is replaced with 'X', each uppercase vowel is replaced with 'x', every lowercase consonant is replaced with its uppercase version, and every uppercase consonant is replaced with its lowercas... | Create a method `toxNGLXSH(sen:str) -> str` that converts an English sentence to xNGLXSH in which every lowercase vowel is replaced with 'X', each uppercase vowel is replaced with 'x', every lowercase consonant is replaced with its uppercase version, and every uppercase consonant is replaced with its lowercase version.... | def toxNGLXSH(sen):
vowels = ["a", "e", "i", "o", "u", "A", "E", "I", "O", "U"]
for i in vowels:
if i.islower():
sen.replace(i, "x")
else:
sen.replace(i, "X")
sen.swapcase()
return sen | On lines 5, 7, and 8, the calls `sen.replace` and `sen.swapcase` leave `sen` unchanged, because strings are immutable in Python. Consequently, the function returns `sen` as it is. | Replace `sen.swapcase()` with `sen = sen.swapcase()` on line 8 and on lines 5 and 7 change `sen.replace` to `sen = sen.replace`. | assert toxNGLXSH('English') == 'xNGLXSH'
assert toxNGLXSH('hello there!') == 'HXLLX THXRX!'
assert toxNGLXSH("My name is John!") == 'mY NXMX XS jXHN!'
assert toxNGLXSH('To be or not to be!') == 'tX BX XR NXT TX BX!'
assert toxNGLXSH('The quick brown fox jumped over the lazy rabbit.') == 'tHX QXXCK BRXWN FXX JXMPXD XVXR... | 10_39_xnglxsh | <problem>
Create a method `toxNGLXSH(sen:str) -> str` that converts an English sentence to xNGLXSH in which every lowercase vowel is replaced with 'X', each uppercase vowel is replaced with 'x', every lowercase consonant is replaced with its uppercase version, and every uppercase consonant is replaced with its lowercas... | {'system': '<problem>\nCreate a method `toxNGLXSH(sen:str) -> str` that converts an English sentence to xNGLXSH in which every lowercase vowel is replaced with \'X\', each uppercase vowel is replaced with \'x\', every lowercase consonant is replaced with its uppercase version, and every uppercase consonant is replaced ... |
<problem>
Write a function called `is_palindrome(string:str) -> bool` that returns True if the string is a palindrome and False otherwise. A palindrome is a string that is the same when read forwards and backwards.
## Example Cases:
```
is_palindrome("racecar") => True
is_palindrome("hello") => False
is_palindrome("han... | Write a function called `is_palindrome(string:str) -> bool` that returns True if the string is a palindrome and False otherwise. A palindrome is a string that is the same when read forwards and backwards.
## Example Cases:
```
is_palindrome("racecar") => True
is_palindrome("hello") => False
is_palindrome("hannah") => T... | def is_palindrome(string):
rev_string = ''
for i in string:
rev_string = i + rev_string
if rev_string = string:
return True
else:
return False | On line 5, the function throws a syntax error. | Replace `=` with `==` on line 5. | assert is_palindrome("racecar") == True
assert is_palindrome("hello") == False
assert is_palindrome("hannah") == True
assert is_palindrome("firetruck") == False
assert is_palindrome("nice") == False
assert is_palindrome("") == True | 11_40_palindrome | <problem>
Write a function called `is_palindrome(string:str) -> bool` that returns True if the string is a palindrome and False otherwise. A palindrome is a string that is the same when read forwards and backwards.
## Example Cases:
```
is_palindrome("racecar") => True
is_palindrome("hello") => False
is_palindrome("han... | {'system': '<problem>\nWrite a function called `is_palindrome(string:str) -> bool` that returns True if the string is a palindrome and False otherwise. A palindrome is a string that is the same when read forwards and backwards.\n## Example Cases:\n```\nis_palindrome("racecar") => True\nis_palindrome("hello") => False\n... |
<problem>
Write a function `reverse_list(lst:List[any]) -> List[any]` that returns `lst` in reverse order.
## Example Cases:
```
reverse_list([1, 2, 3]) => [3, 2, 1]
reverse_list([1, 2, 3, 4, 5]) => [5, 4, 3, 2, 1]
reverse_list([]) => []
reverse_list(["Hi", "Hello", "Goodbye"]) => ["Goodbye", "Hello", "Hi"]
```
</probl... | Write a function `reverse_list(lst:List[any]) -> List[any]` that returns `lst` in reverse order.
## Example Cases:
```
reverse_list([1, 2, 3]) => [3, 2, 1]
reverse_list([1, 2, 3, 4, 5]) => [5, 4, 3, 2, 1]
reverse_list([]) => []
reverse_list(["Hi", "Hello", "Goodbye"]) => ["Goodbye", "Hello", "Hi"]
``` | def reverse_list(lst):
return lst[-1:] | On line 2, the way the slice operator is used creates a list containing only the last element in `lst` instead of a list containing all the elements of `lst` in reverse order. | Replace `return lst[-1:]` with `return lst[::-1]` on line 2. | assert reverse_list([1, 2, 3]) == [3, 2, 1]
assert reverse_list([1, 2, 3, 4, 5]) == [5, 4, 3, 2, 1]
assert reverse_list([]) == []
assert reverse_list(["Hi", "Hello", "Goodbye"]) == ["Goodbye", "Hello", "Hi"] | 12_41_reversing_a_list | <problem>
Write a function `reverse_list(lst:List[any]) -> List[any]` that returns `lst` in reverse order.
## Example Cases:
```
reverse_list([1, 2, 3]) => [3, 2, 1]
reverse_list([1, 2, 3, 4, 5]) => [5, 4, 3, 2, 1]
reverse_list([]) => []
reverse_list(["Hi", "Hello", "Goodbye"]) => ["Goodbye", "Hello", "Hi"]
```
</probl... | {'system': '<problem>\nWrite a function `reverse_list(lst:List[any]) -> List[any]` that returns `lst` in reverse order.\n## Example Cases:\n```\nreverse_list([1, 2, 3]) => [3, 2, 1]\nreverse_list([1, 2, 3, 4, 5]) => [5, 4, 3, 2, 1]\nreverse_list([]) => []\nreverse_list(["Hi", "Hello", "Goodbye"]) => ["Goodbye", "Hello"... |
<problem>
Write a function `isTwice(string:str, char:str) -> bool` that returns `True` if the character `char` appears exactly twice in the string `string`. Otherwise, it returns `False`.
## Example Cases:
```
isTwice("hello", "l") => True
isTwice("hello", "o") => False
isTwice("hello", "h") => False
isTwice("", "e") =... | Write a function `isTwice(string:str, char:str) -> bool` that returns `True` if the character `char` appears exactly twice in the string `string`. Otherwise, it returns `False`.
## Example Cases:
```
isTwice("hello", "l") => True
isTwice("hello", "o") => False
isTwice("hello", "h") => False
isTwice("", "e") => False
is... | def isTwice(str, chr):
count = 0
for i in str:
if i == chr:
count+=1
if count >= 2:
return true
else:
return false | On line 8, the function throws a NameError since `true` is not a boolean value. | Replace `true` with `True` and `false` with `False` on lines 8 and 10. | assert isTwice("hello", "l") == True
assert isTwice("hello", "o") == False
assert isTwice("hello", "h") == False
assert isTwice("", "e") == False
assert isTwice("I'm a string!", " ") == True
assert isTwice("Hey, I'm a string!", " ") == False | 14_43_used_twice | <problem>
Write a function `isTwice(string:str, char:str) -> bool` that returns `True` if the character `char` appears exactly twice in the string `string`. Otherwise, it returns `False`.
## Example Cases:
```
isTwice("hello", "l") => True
isTwice("hello", "o") => False
isTwice("hello", "h") => False
isTwice("", "e") =... | {'system': '<problem>\nWrite a function `isTwice(string:str, char:str) -> bool` that returns `True` if the character `char` appears exactly twice in the string `string`. Otherwise, it returns `False`.\n## Example Cases:\n```\nisTwice("hello", "l") => True\nisTwice("hello", "o") => False\nisTwice("hello", "h") => False\... |
<problem>
Write a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.
## Example Cases:
```
search(5, [-1, 5, 8, 10, 12... | Write a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.
## Example Cases:
```
search(5, [-1, 5, 8, 10, 12]) => 1
se... | def search(x, seq):
for i in range(len(seq)):
if x <= seq[i]:
return i | The function returns `None` when `x` is greater than all of the elements in `seq` instead of returning the index indicating that `x` should be inserted at the end of the array. | Insert a line following line 4, with one indentation containing `return len(seq)` | assert search(5, [-1, 5, 8, 10, 12]) == 1
assert search(-2, [-1, 57, 65]) == 0
assert search(0, [-120, 60, 78, 100]) == 1
assert search(77, [-100, -50, 5, 44, 66, 76, 99] ) == 6
assert search(55, [-99, -2, 0]) == 3 | 15_45_sequential_search | <problem>
Write a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.
## Example Cases:
```
search(5, [-1, 5, 8, 10, 12... | {'system': '<problem>\nWrite a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.\n## Example Cases:\n```\nsearch(5, [... |
<problem>
Write a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.
## Example Cases:
```
search(5, [-1, 5, 8, 10, 12... | Write a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.
## Example Cases:
```
search(5, [-1, 5, 8, 10, 12]) => 1
se... | def search(x, seq):
for i in range(len(seq)):
if x < seq[i]:
return i
return len(seq) | On line 3, the function only checks if `x` is less than `seq[i]` and then returns the index `i` where `x` should be inserted. When `x` is in `seq` at position `i`, the function returns the next index `i + 1` instead of the current index `i`. | Replace `<` with `<=` on line 3 | assert search(5, [-1, 5, 8, 10, 12]) == 1
assert search(-2, [-1, 57, 65]) == 0
assert search(0, [-120, 60, 78, 100]) == 1
assert search(77, [-100, -50, 5, 44, 66, 76, 99] ) == 6
assert search(55, [-99, -2, 0]) == 3 | 15_44_sequential_search | <problem>
Write a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.
## Example Cases:
```
search(5, [-1, 5, 8, 10, 12... | {'system': '<problem>\nWrite a function `search(x: int, seq: List[int]) -> int` that returns the index of the first occurrence of `x` in `seq`. If `x` is not in `seq`, return the index where `x` should be inserted to keep `seq` sorted. Assume that `seq` is sorted in ascending order.\n## Example Cases:\n```\nsearch(5, [... |
<problem>
Write a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not contain `t` is ... | Write a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not contain `t` is `"dabra"`,... | def substr_len(s, t):
max_len = 0
start = 0
pos = s.find(t, start)
while pos != -1:
crt_str = s[start:pos]
max_len = max(len(crt_str), max_len)
pos = s.find(t, start)
last_str = s[start:]
max_len = max(len(last_str), max_len)
return max_len | The value of `start` never changes inside the while loop, thus `pos` which is computed based on `start` never changes either. Consequently, the while loop on line 5 never stops. | On line 8 insert the code `start = pos + len(t)`. | assert substr_len("abracadabra", "ca") == 5
assert substr_len("I love Python", "Py") == 7
assert substr_len("contest", "test") == 3
assert substr_len("icey ice", "ice") == 2
assert substr_len("icey ice cream", "ice") == 6
assert substr_len("abracadabra", "abba") == 11 | 16_56_substring_length | <problem>
Write a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not contain `t` is ... | {'system': '<problem>\nWrite a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not co... |
<problem>
Write a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not contain `t` is ... | Write a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not contain `t` is `"dabra"`,... | def substr_len(s, t):
max_len = 0
start = 0
pos = s.find(t, start)
while pos != -1:
crt_str = s[start:pos]
crt_len = len(crt_str)
if crt_len > max_len:
max_len = crt_len
start = pos + len(t)
pos = s.find(t, start)
return max_len | The code does not check for the case when the longest substring is at the end of the string, therefore it fails on test examples 1 and 5. | After line 11, insert the following outside the while loop scope:
```py
last_str = s[start:]
last_len = len(last_str)
if last_len > max_len:
max_len = last_len
``` | assert substr_len("abracadabra", "ca") == 5
assert substr_len("I love Python", "Py") == 7
assert substr_len("contest", "test") == 3
assert substr_len("icey ice", "ice") == 2
assert substr_len("icey ice cream", "ice") == 6
assert substr_len("abracadabra", "abba") == 11 | 16_46_substring_length | <problem>
Write a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not contain `t` is ... | {'system': '<problem>\nWrite a function `substr_len(s: str, t: str) -> int` that takes as input a string `s` and a non-empty string `t` and returns the length of the longest substring of `s` that does not contain `t`. For example, if `s = "abracadabra"` and `t = "ca"`, then the longest substring of `s` that does not co... |
<problem>
Write a function `top_k(lst: List[int], k: int) -> List[int]` that returns the top k largest elements in the list. You can assume that k is always smaller than the length of the list.
## Example Cases:
```
top_k([1, 2, 3, 4, 5], 3) => [5, 4, 3]
top_k([-1, -2, -3, -4, -5], 3) => [-1, -2, -3]
top_k([], 0) => []... | Write a function `top_k(lst: List[int], k: int) -> List[int]` that returns the top k largest elements in the list. You can assume that k is always smaller than the length of the list.
## Example Cases:
```
top_k([1, 2, 3, 4, 5], 3) => [5, 4, 3]
top_k([-1, -2, -3, -4, -5], 3) => [-1, -2, -3]
top_k([], 0) => []
top_k([55... | def top_k(lst, k):
result = []
for i in range(k):
result.append(max(lst))
lst.pop(max(lst))
return result | The function removes the element at index `max(lst)` instead of removing an element equal to `max(lst)`. Consequently, the function throws an IndexError on line 5 when a removed value in `lst` is greater than the length of `lst`. | On line 5, replace `lst.pop(max(lst))` with `lst.remove(max(lst))` | assert top_k([1, 2, 3, 4, 5], 3) == [5, 4, 3]
assert top_k([-1, -2, -3, -4, -5], 3) == [-1, -2, -3]
assert top_k([], 0) == []
assert top_k([550, 750, 3000, 2000, 1000], 3) == [3000, 2000, 1000]
assert top_k([555, 777, 555, -1, 0], 3) == [777, 555, 555] | 17_47_topk | <problem>
Write a function `top_k(lst: List[int], k: int) -> List[int]` that returns the top k largest elements in the list. You can assume that k is always smaller than the length of the list.
## Example Cases:
```
top_k([1, 2, 3, 4, 5], 3) => [5, 4, 3]
top_k([-1, -2, -3, -4, -5], 3) => [-1, -2, -3]
top_k([], 0) => []... | {'system': '<problem>\nWrite a function `top_k(lst: List[int], k: int) -> List[int]` that returns the top k largest elements in the list. You can assume that k is always smaller than the length of the list.\n## Example Cases:\n```\ntop_k([1, 2, 3, 4, 5], 3) => [5, 4, 3]\ntop_k([-1, -2, -3, -4, -5], 3) => [-1, -2, -3]\n... |
<problem>
Create a function `validate_or_add_password(menu_choice:str, password:str, passwords_dict:Dict[str,any]) -> str` that validates or adds a password. This function takes three parameters:
* `menu_choice (str)`: either 'v' for validate or 'a' for add password
* `password (str)`: the password to be validated or a... | Create a function `validate_or_add_password(menu_choice:str, password:str, passwords_dict:Dict[str,any]) -> str` that validates or adds a password. This function takes three parameters:
* `menu_choice (str)`: either 'v' for validate or 'a' for add password
* `password (str)`: the password to be validated or added
* `pa... | def validate_or_add_password(menu_choice, password, passwords_dict):
if menu_choice == "v":
if password in passwords_dict.values():
return "Welcome!"
else:
return "I don't know you."
elif menu_choice == "a":
if password in passwords_dict.values():
return "Pass... | The function does not add `password` to `passwords_dict` as specified in the instructions. | After line 10 insert the following inside the `else` scope: `passwords_dict[len(passwords_dict) + 1] = password` | passwords_dict = {1: "abc123", 2: "qwerty", 3: "password"}
assert validate_or_add_password("v", "abc123", passwords_dict) == "Welcome!"
assert validate_or_add_password("v", "xyz789", passwords_dict) == "I don't know you."
assert validate_or_add_password("a", "abc123", passwords_dict) == "Password already exists!"
asser... | 18_48_password_validator | <problem>
Create a function `validate_or_add_password(menu_choice:str, password:str, passwords_dict:Dict[str,any]) -> str` that validates or adds a password. This function takes three parameters:
* `menu_choice (str)`: either 'v' for validate or 'a' for add password
* `password (str)`: the password to be validated or a... | {'system': '<problem>\nCreate a function `validate_or_add_password(menu_choice:str, password:str, passwords_dict:Dict[str,any]) -> str` that validates or adds a password. This function takes three parameters:\n* `menu_choice (str)`: either \'v\' for validate or \'a\' for add password\n* `password (str)`: the password t... |
<problem>
Write a method `split(cookies:int, people:int) -> Tuple[int,int, str]` that takes in a number of cookies and a number of people. The function should find if the cookies can be split evenly amongst all people. If so, return a `Tuple` containing how many cookies each person will get and the number of leftover c... | Write a method `split(cookies:int, people:int) -> Tuple[int,int, str]` that takes in a number of cookies and a number of people. The function should find if the cookies can be split evenly amongst all people. If so, return a `Tuple` containing how many cookies each person will get and the number of leftover cookies, wh... | def split (cookies, people):
if cookies % people == 0:
return (cookies // people, 0, "Cookies can be split evenly!")
else:
newCookies = cookies - (cookies % people)
return (newCookies, newCookies // people, "Cookies cannot be split evenly. Bought more cookies.") | On line 5, `newCookies` computes the maximum subset of cookies that can be split evenly among the people, which are less than the given number of cookies. However, the problem description asks for more cookies to be purchased, so the total number of cookies that is returned should be larger than the given number of coo... | Replace line 5 with `purchasedCookies = people - cookies % people` and then insert a line after that containing `newCookies = cookies + purchasedCookies`.
Replace `cookies - (cookies % people)` with `people - cookies % people + cookies` on line 5.
Remove line 5. Add then insert the following lines in its place`leftOver... | assert split(10, 2) == (5, 0, "Cookies can be split evenly!")
assert split(10, 3) == (12, 4, "Cookies cannot be split evenly. Bought more cookies.")
assert split(20, 4) == (5, 0, "Cookies can be split evenly!")
assert split(10, 5) == (2, 0, "Cookies can be split evenly!")
assert split(25, 10) == (30, 3, "Cookies cannot... | 2_18_splitting_cookies | <problem>
Write a method `split(cookies:int, people:int) -> Tuple[int,int, str]` that takes in a number of cookies and a number of people. The function should find if the cookies can be split evenly amongst all people. If so, return a `Tuple` containing how many cookies each person will get and the number of leftover c... | {'system': '<problem>\nWrite a method `split(cookies:int, people:int) -> Tuple[int,int, str]` that takes in a number of cookies and a number of people. The function should find if the cookies can be split evenly amongst all people. If so, return a `Tuple` containing how many cookies each person will get and the number ... |
<problem>
Write a function `cookiePurchase(cookies: float) -> dict` that takes in the number of cookies a customer wants to purchase and returns a dictionary with the total price of the cookies and the discount that the customer will receive. The price of a cookie is $1.75. If the customer purchases more than 10 cookie... | Write a function `cookiePurchase(cookies: float) -> dict` that takes in the number of cookies a customer wants to purchase and returns a dictionary with the total price of the cookies and the discount that the customer will receive. The price of a cookie is $1.75. If the customer purchases more than 10 cookies and the ... | def cookiePurchase(cookies):
price = cookies * 1.75
discount = 0
if cookies > 10 and cookies / 10 == 0:
discount = price * 0.1
price = price - discount
return {"discount": discount, "price": price} | On line 4, the function checks if the quotient `cookies` and 10 is 0 instead of checking whether `cookies` is a multiple of 10. | On line 4, replace `/` with `%` and on line 4. | assert cookiePurchase(2) == {'discount': 0, 'price': 3.5}
assert cookiePurchase(70) == {'discount': 12.25, 'price': 110.25}
assert cookiePurchase(22) == {'discount': 0, 'price': 38.5}
assert cookiePurchase(10) == {'discount': 0, 'price': 17.5}
assert cookiePurchase(20) == {'discount': 3.5, 'price': 31.5} | 22_53_cookie_purchase | <problem>
Write a function `cookiePurchase(cookies: float) -> dict` that takes in the number of cookies a customer wants to purchase and returns a dictionary with the total price of the cookies and the discount that the customer will receive. The price of a cookie is $1.75. If the customer purchases more than 10 cookie... | {'system': '<problem>\nWrite a function `cookiePurchase(cookies: float) -> dict` that takes in the number of cookies a customer wants to purchase and returns a dictionary with the total price of the cookies and the discount that the customer will receive. The price of a cookie is $1.75. If the customer purchases more t... |
<problem>
Write a function `factorial(n:int) -> int` that computes the factorial n! of a natural number n, which is defined mathematically as:
$0! = 1$
$n! = n \times (n - 1)!$
Additionally, if the input integer n is negative the function should return 0.
## Example Cases:
```
factorial(-1) => 0
factorial(0) => 1
fa... | Write a function `factorial(n:int) -> int` that computes the factorial n! of a natural number n, which is defined mathematically as:
$0! = 1$
$n! = n \times (n - 1)!$
Additionally, if the input integer n is negative the function should return 0.
## Example Cases:
```
factorial(-1) => 0
factorial(0) => 1
factorial(1)... | def factorial(n):
if n < 0:
return 0
fact = 1
for i in range(n):
fact = fact * i
return fact | On line 6, `fact` is multiplied with 0 in the first iteration of the for loop. Consequently, at every iteration fact stays equal with 0 instead of being updated to be equal with factorial of `(i + 1)`. Therefore, the function will return 0, irrespective of n | Replace `i` with `(i + 1)` in line 6.
Replace `range(n)` with `range(1, n + 1)` in line 5. | assert factorial(-1) == 0
assert factorial(0) == 1
assert factorial(1) == 1
assert factorial(2) == 2
assert factorial(3) == 6
assert factorial(4) == 24
assert factorial(5) == 120 | 24_29_factorial | <problem>
Write a function `factorial(n:int) -> int` that computes the factorial n! of a natural number n, which is defined mathematically as:
$0! = 1$
$n! = n \times (n - 1)!$
Additionally, if the input integer n is negative the function should return 0.
## Example Cases:
```
factorial(-1) => 0
factorial(0) => 1
fa... | {'system': '<problem>\nWrite a function `factorial(n:int) -> int` that computes the factorial n! of a natural number n, which is defined mathematically as:\n\n$0! = 1$\n$n! = n \\times (n - 1)!$\n\nAdditionally, if the input integer n is negative the function should return 0.\n\n## Example Cases:\n```\nfactorial(-1) =>... |
<problem>
Write a function `insert_after(head: Node, prev_data: int, new_data: int) -> None` that takes in the head of a linked list, the data of a node in the linked list, and some new data. The function should insert a new node with the new data after the node with the `prev_data`. If the `prev_data` is not in the li... | Write a function `insert_after(head: Node, prev_data: int, new_data: int) -> None` that takes in the head of a linked list, the data of a node in the linked list, and some new data. The function should insert a new node with the new data after the node with the `prev_data`. If the `prev_data` is not in the linked list,... | class Node:
def __init__(self, data=None, next=None):
self.data = data
self.next = next
def insert_after(head, prev_data, new_data):
curr_head = head
while curr_head is not None:
if curr_head.data == prev_data:
new_node = Node(data=new_data)
curr_head.next = new_node... | The function returns an incomplete linked list when inserting an element in a linked list. For example, upon inserting `5`, after `2` in the list: 1->2->3->4 , the returned list is 1->2->5 instead of 1->2->5->3->4. | After line 10, insert a line `new_node.next = curr_head.next` | head = Node(data=1)
head.next = Node(data=2)
head.next.next = Node(data=3)
head.next.next.next = Node(data=4)
assert insert_after(head, 2, 5) == None
assert head.data == 1
assert head.next.data == 2
assert head.next.next.data == 5
assert head.next.next.next.data == 3
assert head.next.next.next.next.data == 4
assert ins... | 25_55_insert_to_linked_list | <problem>
Write a function `insert_after(head: Node, prev_data: int, new_data: int) -> None` that takes in the head of a linked list, the data of a node in the linked list, and some new data. The function should insert a new node with the new data after the node with the `prev_data`. If the `prev_data` is not in the li... | {'system': '<problem>\nWrite a function `insert_after(head: Node, prev_data: int, new_data: int) -> None` that takes in the head of a linked list, the data of a node in the linked list, and some new data. The function should insert a new node with the new data after the node with the `prev_data`. If the `prev_data` is ... |
<problem>
Create a method `sequenceBetween(start: int, end: int) -> List[int]` that takes two positive integers and returns a list of all the numbers between the integers, including the start and end values. You begin counting from `start`, and end counting on `end`. If `start` is smaller than `end`, then you perform a... | Create a method `sequenceBetween(start: int, end: int) -> List[int]` that takes two positive integers and returns a list of all the numbers between the integers, including the start and end values. You begin counting from `start`, and end counting on `end`. If `start` is smaller than `end`, then you perform a "countup"... | def sequenceBetween(start, end):
l = []
if(start >= end):
i = start
while i > end:
l.append(i)
i -= 1
else:
i = start
while i < end:
l.append(i)
i += 1
return l | On lines 5 and 10, there is an off by one error. The while loop ranges are inclusive of `start` but exclusive of `end`. Consequently, the function returns a list that includes all the numbers from `start` to `end - 1` instead of `end`. | Replace `>` with `>=` on line 5 and `<` with `<=` on line 10. | assert sequenceBetween(0, 3) == [0, 1, 2, 3]
assert sequenceBetween(1, 1) == [1]
assert sequenceBetween(7, 5) == [7, 6, 5]
assert sequenceBetween(100, 95) == [100, 99, 98, 97, 96, 95]
assert sequenceBetween(14, 20) == [14, 15, 16, 17, 18, 19, 20] | 3_20_counting_down | <problem>
Create a method `sequenceBetween(start: int, end: int) -> List[int]` that takes two positive integers and returns a list of all the numbers between the integers, including the start and end values. You begin counting from `start`, and end counting on `end`. If `start` is smaller than `end`, then you perform a... | {'system': '<problem>\nCreate a method `sequenceBetween(start: int, end: int) -> List[int]` that takes two positive integers and returns a list of all the numbers between the integers, including the start and end values. You begin counting from `start`, and end counting on `end`. If `start` is smaller than `end`, then ... |
<problem>
Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, ... | Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, 7, 9]
retu... | def returnOdd(nums):
newNums = []
for i in nums:
if i % 2 != 0:
newNums.append(i)
return newNums | There is a syntax error on line 6. The return statement is not within a function scope. | Insert a tab indentation before `return newNums` on line 6. | assert returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == [1, 3, 5, 7, 9]
assert returnOdd([2, 4, 6, 8, 10]) == []
assert returnOdd([1, 3, 5, 7, 9]) == [1, 3, 5, 7, 9]
assert returnOdd([-76, -92, 9, -1, 7, 10]) == [9, -1, 7] | 4_25_removing_even_numbers | <problem>
Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, ... | {'system': '<problem>\nCreate a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.\n\n## Example Cases:\n```\nreturnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 1... |
<problem>
Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, ... | Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, 7, 9]
retu... | def returnOdd(nums):
newNums = []
for i in nums:
if i % 2 != 0:
newNums.append(i)
return newNums | On line 6, the function returns the array `newNums` after the first iteration of the for loop. Consequently, the function returns `newNums` containing up to 1 odd value from `nums` instead of returning `newNums` containing all the odd values in `nums`. | Remove a tab indentation before `return newNums` on line 6. | assert returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == [1, 3, 5, 7, 9]
assert returnOdd([2, 4, 6, 8, 10]) == []
assert returnOdd([1, 3, 5, 7, 9]) == [1, 3, 5, 7, 9]
assert returnOdd([-76, -92, 9, -1, 7, 10]) == [9, -1, 7] | 4_26_removing_even_numbers | <problem>
Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, ... | {'system': '<problem>\nCreate a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.\n\n## Example Cases:\n```\nreturnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 1... |
<problem>
Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, ... | Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, 7, 9]
retu... | def returnOdd(nums):
newNums = []
for i in nums:
if i / 2 != 0:
newNums.append(i)
return newNums | On line 4, the function checks if `i` divided by `2` is not equal to `0` which is true for `i > 0 and i < 0`. Consequently, the function removes all elements equal to `0` in `nums` instead of removing all elements that are divisible by `2`. | Replace `/` with `%` on line 4. | assert returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) == [1, 3, 5, 7, 9]
assert returnOdd([2, 4, 6, 8, 10]) == []
assert returnOdd([1, 3, 5, 7, 9]) == [1, 3, 5, 7, 9]
assert returnOdd([-76, -92, 9, -1, 7, 10]) == [9, -1, 7] | 4_23_removing_even_numbers | <problem>
Create a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.
## Example Cases:
```
returnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) => [1, 3, 5, ... | {'system': '<problem>\nCreate a method `returnOdd(nums:List[int]) -> List[int]` that accepts a list `nums`. It should filter out all the even integers from the list `nums` and return a new list that contains only the odd integers from the original list.\n\n## Example Cases:\n```\nreturnOdd([1, 2, 3, 4, 5, 6, 7, 8, 9, 1... |
<problem>
Write a function `get_words (s:str) -> List[str]` that extracts all the words from the input string `s`, changes them all to be lower case, and returns a list containing all unique words (no duplicates) in alphabetical order. Assume that a word is a maximal sequence of characters that does not contain any spa... | Write a function `get_words (s:str) -> List[str]` that extracts all the words from the input string `s`, changes them all to be lower case, and returns a list containing all unique words (no duplicates) in alphabetical order. Assume that a word is a maximal sequence of characters that does not contain any space. For ex... | def get_words(s):
words = [word.lower() for word in s.split(" ")]
return sorted(words) | The function returns a list of sorted words in alphabetical order, however, if `s` contains repeated words, the function returns all the words instead of removing the duplicated words in `s`. | Replace `sorted(words)` with `sorted(set(words))` on line 3.
Insert a line with `words = set(words)` after that insert another line with `words = list(set(words))` after line 2. | assert get_words("Hello World") == ["hello", "world"]
assert get_words("Hello World hello") == ["hello", "world"]
assert get_words("Hello World hello world") == ["hello", "world"]
assert get_words("Hello World H e l l o W o r l d") == ['d', 'e', 'h', 'hello', 'l', 'o', 'r', 'w', 'world']
assert get_words("Hello World e... | 5_30_sorted_words | <problem>
Write a function `get_words (s:str) -> List[str]` that extracts all the words from the input string `s`, changes them all to be lower case, and returns a list containing all unique words (no duplicates) in alphabetical order. Assume that a word is a maximal sequence of characters that does not contain any spa... | {'system': '<problem>\nWrite a function `get_words (s:str) -> List[str]` that extracts all the words from the input string `s`, changes them all to be lower case, and returns a list containing all unique words (no duplicates) in alphabetical order. Assume that a word is a maximal sequence of characters that does not co... |
<problem>
Write a function `calculate_average(x: float, y: float) -> float` that takes in two integers `x` and `y` and returns their average as a float.
## Example Cases:
```
calculate_average(0, 0) => 0.0
calculate_average(1, 3) => 2.0
calculate_average(-1, 1) => 0.0
calculate_average(-5, -2) => -3.5
calculate_averag... | Write a function `calculate_average(x: float, y: float) -> float` that takes in two integers `x` and `y` and returns their average as a float.
## Example Cases:
```
calculate_average(0, 0) => 0.0
calculate_average(1, 3) => 2.0
calculate_average(-1, 1) => 0.0
calculate_average(-5, -2) => -3.5
calculate_average(5.5, 7.5... | def calculate_average(x, y):
return x + y / 2 | On line 2, using operator precedence rules the function first computes the quotient of `y/2` and then the sum of `x` and `y/2`. Consequently, the function does not return the average of x and y which is `x + y` that is then divided by 2. | Replace `x + y` with `(x + y)` on line 2. | assert calculate_average(0, 0) == 0.0
assert calculate_average(1, 3) == 2.0
assert calculate_average(-1, 1) == 0.0
assert calculate_average(-5, -2) == -3.5
assert calculate_average(5.5, 7.5) == 6.5
assert calculate_average(405, 135) == 270.0 | 56_15_compute_average | <problem>
Write a function `calculate_average(x: float, y: float) -> float` that takes in two integers `x` and `y` and returns their average as a float.
## Example Cases:
```
calculate_average(0, 0) => 0.0
calculate_average(1, 3) => 2.0
calculate_average(-1, 1) => 0.0
calculate_average(-5, -2) => -3.5
calculate_averag... | {'system': '<problem>\nWrite a function `calculate_average(x: float, y: float) -> float` that takes in two integers `x` and `y` and returns their average as a float.\n\n## Example Cases:\n```\ncalculate_average(0, 0) => 0.0\ncalculate_average(1, 3) => 2.0\ncalculate_average(-1, 1) => 0.0\ncalculate_average(-5, -2) => -... |
<problem>
Write a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples evenly. Assume... | Write a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples evenly. Assume that both... | def split_apples(apples, children):
i = 0
while apples > 0 and apples > children:
apples = apples - children
i += 1
return i | The while loop exits early when `apples` are divisible by `children`. Consequently, the function has an off-by-one error when `apples` is divisible by `children`. | Replace `apples > children` with `apples >= children` on line 3. | assert split_apples(10, 2) == 5
assert split_apples(7, 2) == 3
assert split_apples(100, 100) == 1
assert split_apples(1, 2) == 0 | 58_59_splitting_apples | <problem>
Write a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples evenly. Assume... | {'system': '<problem>\nWrite a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples e... |
<problem>
Write a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples evenly. Assume... | Write a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples evenly. Assume that both... | def split_apples(apples, children):
return apples / children | The function returns a float instead of the largest possible integer after distributing the apples evenly. | Replace `/` with `//` on line 2. | assert split_apples(10, 2) == 5
assert split_apples(7, 2) == 3
assert split_apples(100, 100) == 1
assert split_apples(1, 2) == 0 | 58_58_splitting_apples | <problem>
Write a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples evenly. Assume... | {'system': '<problem>\nWrite a method `split_apples(apples:int, children:int) ->int` that takes in an amount of apples and a number of children. The function should distribute `apples` evenly across all `children`. The function should return the whole number of apples each child will get after distributing the apples e... |
<problem>
The four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has another valu... | The four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has another value that's di... | def turn_clockwise(compass_point):
if compass_point == "N":
print ("E")
elif compass_point == "E":
print ("S")
elif compass_point == "S":
print ("W")
elif compass_point == "W":
print ("N")
else:
print ("None") | The function prints the strings "N", "E", "S", "W", and "None". Consequently, the function returns `None` for all cases of `compass_point` instead of returning the appropriate strings. | Replace all the print statements `print ("E")`, `print ("S")`, `print ("W")`, `print ("N")`, `print("None")` with the return statements `return "E"`, `return "S"`, `return "W"`, `return "N"`, `return "None"` on lines 3, 5, 7, 9, and 11 respectively. | assert turn_clockwise("N") == "E"
assert turn_clockwise("W") == "N"
assert turn_clockwise("S") == "W"
assert turn_clockwise("E") == "S"
assert turn_clockwise(42) == None
assert turn_clockwise("rubbish") == None | 6_33_turning_clockwise | <problem>
The four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has another valu... | {'system': '\ufeff<problem>\nThe four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point... |
<problem>
The four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has another value... | The four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has another value that's di... | def turn_clockwise(compass_point):
if compass_point = "N":
return "E"
elif compass_point = "E":
return "S"
elif compass_point = "S":
return "W"
elif compass_point = "W":
return "N"
else:
return None | There are syntax errors on lines 2, 4, 6, and 8. | Replace `=` with `==` on lines 2, 4, 6, and 8. | assert turn_clockwise("N") == "E"
assert turn_clockwise("W") == "N"
assert turn_clockwise("S") == "W"
assert turn_clockwise("E") == "S"
assert turn_clockwise(42) == None
assert turn_clockwise("rubbish") == None | 6_34_turning_clockwise | <problem>
The four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has another value... | {'system': '<problem>\nThe four compass points can be abbreviated by single-letter strings as “N”, “E”, “S”, and “W”. Write a function `turn_clockwise (compass_point:str)` that takes one of these four compass points as its parameter, and returns the next compass point in the clockwise direction. If `compass_point` has ... |
<problem>
Implement a function `my_func(valList:List[Tuple[int,int]])->Dict[int,List[int]]` where
`valList` is a list of `n` tuples where each tuple contains two integers `a,b` `(1<=a,b)`.
Return a dictionary where the:
* key: first elements of `valList`
* value: list containing all the second elements of the tuples in... | Implement a function `my_func(valList:List[Tuple[int,int]])->Dict[int,List[int]]` where
`valList` is a list of `n` tuples where each tuple contains two integers `a,b` `(1<=a,b)`.
Return a dictionary where the:
* key: first elements of `valList`
* value: list containing all the second elements of the tuples in `valList`... | def my_func(valList):
result = {}
for key, value in valList:
result[key] = [value]
return result | The function assigns a list of one element to each key in the dictionary `result` on line 4. Consequently, each list in the dictionary contains exactly one element instead of all the second elements of the tuples in `valList` that have the same first element as the key. | Replace line 4 with the following lines:
```py
if key in result.keys():
result[key].append(value)
else:
result[key] = [value]
```
Replace line 4 with: `result[key] = [value] if key not in result else result[key] + [value]` | assert my_func([(1, 1),(2, 2),(3, 3)]) == {1: [1], 2: [2], 3: [3]}
assert my_func([(6, 5),(2, 7),(2, 5),(8, 7),(8, 9),(2, 7)]) == {6: [5], 2: [7, 5, 7], 8: [7, 9]}
assert my_func([(-78, 13),(-9, 2),(10,2), (-78, 45), (-9, 2), (10, -78), (-9, 22)]) == {-78: [13, 45], -9: [2, 2, 22], 10: [2, -78]} | 7_35_integer_grouping | <problem>
Implement a function `my_func(valList:List[Tuple[int,int]])->Dict[int,List[int]]` where
`valList` is a list of `n` tuples where each tuple contains two integers `a,b` `(1<=a,b)`.
Return a dictionary where the:
* key: first elements of `valList`
* value: list containing all the second elements of the tuples in... | {'system': '<problem>\nImplement a function `my_func(valList:List[Tuple[int,int]])->Dict[int,List[int]]` where\n`valList` is a list of `n` tuples where each tuple contains two integers `a,b` `(1<=a,b)`.\nReturn a dictionary where the:\n* key: first elements of `valList`\n* value: list containing all the second elements... |
<problem>
Write a function `my_func(len: int) -> List[int]` that generates a list of `len` integers. The element at each position 'i' in the list should be computed as `i * 6 + rand.randint(1, len)`. Before calling the function, use 42 as the seed for the random number generator by calling `rand.seed(42)`. Assume that ... | Write a function `my_func(len: int) -> List[int]` that generates a list of `len` integers. The element at each position 'i' in the list should be computed as `i * 6 + rand.randint(1, len)`. Before calling the function, use 42 as the seed for the random number generator by calling `rand.seed(42)`. Assume that `len` is a... | import random as rand
rand.seed(42)
def my_func(len):
y = list(map(def yOf(x): x * 6 + rand.randint(1, len), range(len)))
return y | The function has a syntax error on line 4. Defining a function inside of the built-in function `map` using `def` is invalid. | Replace `def yOf(x):` with `lambda x:` on line 4.
After line 2 insert the following:
```py
def yOf(x, len):
return x * 6 + rand.randint(1, len)
```
Replace `map(def yOf(x): x * 6 + rand.randint(1, len), range(len))` with `map(yOf, range(len), [len] * len)` on line 4.
After line 4 insert the following:
```py
def ... | assert my_func(10) == [2, 7, 17, 22, 28, 33, 38, 51, 50, 64]
assert my_func(7) == [4, 7, 13, 19, 26, 32, 41]
assert my_func(5) == [5, 7, 17, 20, 29]
assert my_func(3) == [2, 7, 14]
assert my_func(1) == [1] | 8_36_plot_function | <problem>
Write a function `my_func(len: int) -> List[int]` that generates a list of `len` integers. The element at each position 'i' in the list should be computed as `i * 6 + rand.randint(1, len)`. Before calling the function, use 42 as the seed for the random number generator by calling `rand.seed(42)`. Assume that ... | {'system': "<problem>\nWrite a function `my_func(len: int) -> List[int]` that generates a list of `len` integers. The element at each position 'i' in the list should be computed as `i * 6 + rand.randint(1, len)`. Before calling the function, use 42 as the seed for the random number generator by calling `rand.seed(42)`.... |
<problem>
Write a function `determinant(matrix:List[List [int]]) -> List[List[int]]` that calculates the determinant of a 3x3 matrix.
## Example Cases:
```
determinant([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) => 0
determinant([[4, -7, 9], [6, 0, 3], [-1, 7, 0]]) => 315
determinant([[-6, 0, 5], [-8, -8, -5], [-10, 2, 8]]) => ... | Write a function `determinant(matrix:List[List [int]]) -> List[List[int]]` that calculates the determinant of a 3x3 matrix.
## Example Cases:
```
determinant([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) => 0
determinant([[4, -7, 9], [6, 0, 3], [-1, 7, 0]]) => 315
determinant([[-6, 0, 5], [-8, -8, -5], [-10, 2, 8]]) => -156
deter... | def det2d(matrix):
return matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0]
def determinant(matrix):
subm1 = [val[1:3] for val in matrix[1:3]]
subm2 = [matrix[1][0], matrix[1][2], matrix[2][0], matrix[2][2]]
subm3 = [matrix[1][0], matrix[1][1]], [matrix[2][0], matrix[2][1]]
return matrix[0][0]... | On line 7, `subm2` is created as a one dimensional array. However, when line 10 evaluates `det2d(subm2)`, it assumes that it is a two dimensional array, which raises a TypeError exception. | Change line 7 to `subm2 = [[matrix[1][0], matrix[1][2]], [matrix[2][0], matrix[2][2]]]` and change line 8 with `subm3 = [[matrix[1][0], matrix[1][1]], [matrix[2][0], matrix[2][1]]]`. | assert determinant([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) == 0
assert determinant([[4, -7, 9], [6, 0, 3], [-1, 7, 0]]) == 315
assert determinant([[-6, 0, 5], [-8, -8, -5], [-10, 2, 8]]) == -156
assert determinant([[2, -1, -8], [5, -1, -3], [-1, -9, 6]]) == 329 | 9_38_calculating_determinant | <problem>
Write a function `determinant(matrix:List[List [int]]) -> List[List[int]]` that calculates the determinant of a 3x3 matrix.
## Example Cases:
```
determinant([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) => 0
determinant([[4, -7, 9], [6, 0, 3], [-1, 7, 0]]) => 315
determinant([[-6, 0, 5], [-8, -8, -5], [-10, 2, 8]]) => ... | {'system': '<problem>\nWrite a function `determinant(matrix:List[List [int]]) -> List[List[int]]` that calculates the determinant of a 3x3 matrix.\n## Example Cases:\n```\ndeterminant([[1, 2, 3], [4, 5, 6], [7, 8, 9]]) => 0\ndeterminant([[4, -7, 9], [6, 0, 3], [-1, 7, 0]]) => 315\ndeterminant([[-6, 0, 5], [-8, -8, -5],... |
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