Update app.py

app.py

@@ -61,10 +61,10 @@ def get_response(user_question):
 
 user_question = st.chat_input('What do you want to ask ..')
 if user_question is not None and user_question!="":
-    with st.chat_message("Human"):
+    with st.chat_message("Human", avatar="🏛️"):
         st.write(user_question)
     response = get_response(user_question)   
-    with st.chat_message("AI"):
+    with st.chat_message("AI", avatar="👤🙎‍♂️"):
         st.write(response)