import streamlit as st from langchain.llms import HuggingFaceHub import os st.set_page_config(page_title="Educational Chatbot") st.title("🎓 Educational Chatbot") user_input = st.text_input("Ask me anything:") if "history" not in st.session_state: st.session_state.history = [] if user_input: try: llm = HuggingFaceHub( repo_id="tiiuae/falcon-7b-instruct", huggingfacehub_api_token=os.environ.get("HUGGINGFACEHUB_API_TOKEN"), model_kwargs={"temperature": 0.5, "max_new_tokens": 100} ) response = llm(user_input) st.session_state.history.append(("You", user_input)) st.session_state.history.append(("Bot", response)) except Exception as e: st.error(f"⚠️ Error: {e}") for sender, msg in reversed(st.session_state.history): st.markdown(f"**{sender}:** {msg}")