Update app.py

app.py

@@ -1,5 +1,7 @@
 import streamlit as st
 from function import GetLLMResponse
+import os
+os.environ["HUGGINGFACEHUB_API_TOKEN"] = "your_generated_token_here"
 # List of math topics and difficulty levels
 math_topics = {
     "Elementary School Level": ["Basic Arithmetic", "Place Value", "Fraction", "Decimals", "Geomerty"],