Update app.py

app.py

@@ -25,13 +25,18 @@ submit_button = st.button("Submit")
 if submit_button and usr_text:
     response = llm_gemini.invoke(usr_text)
     st.subheader("Answer:")
-    st.write(response.content)
+    st.write(response.content)    
     st.session_state.chat_history.append(f'User: {usr_text} \nAI: {response.content}')
 
 # for displaying chat history
 chat_history_text = "\n\n".join(st.session_state.chat_history)
-st.text_area("**Chat History**", value=chat_history_text, height=300)
+history_container = st.empty()
+history_container.text_area("**Chat History**", value=chat_history_text, height=300)
 # button for clearing chat history
 clr_btn = st.button("Clear Chat History")
 if clr_btn:
     st.session_state['chat_history']=[]
+    chat_history_text = "\n\n".join(st.session_state.chat_history)
+    history_container.text_area("**Chat History**", value=chat_history_text, height=300)
+
+