Update app.py

app.py

@@ -1,4 +1,5 @@
 import streamlit as st
+from streamlit_chat import message
 
-x = st.slider('Select a value')
-st.write(x, 'squared is', x * x)
+message("My message") 
+message("Hello bot!", is_user=True)  # align's the message to the right