added conditional that only remembers history if user says so

app.py

@@ -56,7 +56,7 @@ if st.button('Query Database') & (access_key != "") & (user_question != ""):
             temperature=temperature
         )
         
-    history.append({user_question : response.choices[0].message.content})
+    history.append({user_question : response.choices[0].message.content} if remember_chat_history else {})
         
     st.header("Prof Says ...")
     st.write(response.choices[0].message.content)