Update app.py

app.py

@@ -76,12 +76,15 @@ def algorithms_cycle_detection():
             if edges_input:
                 try:
                     edges = []
-                    # Split input by commas and process each edge
-                    edge_strings = edges_input.split(",")
+                    # Ensure correct formatting of the input string
+                    edge_strings = edges_input.split("),")
                     for edge_str in edge_strings:
                         edge_str = edge_str.strip()
-                        if edge_str:  # Ensure the string is not empty
-                            # Remove parentheses and split by comma
+                        if edge_str:
+                            # Handle the case where the edge might be missing a closing parenthesis
+                            if edge_str[-1] != ")":
+                                edge_str += ")"
+                            # Remove the opening and closing parentheses
                             edge_tuple = edge_str.strip("()").split(",")
                             if len(edge_tuple) == 2:
                                 try:
@@ -89,7 +92,7 @@ def algorithms_cycle_detection():
                                     edge_tuple = tuple(map(int, edge_tuple))
                                     edges.append(edge_tuple)
                                 except ValueError:
-                                    st.error(f"Invalid edge format: {edge_str}. Ensure both values are integers.")
+                                    st.error(f"Invalid edge format: {edge_str}")
                                     return
 
                     if edges:
@@ -98,7 +101,7 @@ def algorithms_cycle_detection():
                         st.write("Custom Graph:", G.edges())
                         plot_cycle_detection(G)
                     else:
-                        st.error("No valid edges provided. Please enter edges in the format (a, b), (b, c), etc.")
+                        st.error("No valid edges provided.")
                 except Exception as e:
                     st.error(f"Error creating the graph: {e}")
             else: