playing around with Streamli

app.py

@@ -1,18 +1,20 @@
 import streamlit as st
 
 # Initialize a list of messages
-messages = []
+# Initialization
+if 'messages' not in st.session_state:
+    st.session_state['messages'] = []
 
 # Create a text input field for users to enter their messages
 user_input = st.text_input("Enter your message here:")
 
 # Add user's message to the list when the submit button is clicked
 if st.button("Submit"):
-    messages.append(user_input)
+    st.session_state['messages'].append(user_input)
 
 # Display the list of messages
 st.write("List of messages:")
-for msg in messages:
+for msg in st.session_state['messages']:
     st.write("- " + msg)