Update app.py

app.py

@@ -19,6 +19,21 @@ def response_generator():
 
 st.title("Simple chat")
 
+with st.sidebar:
+    with st.echo():
+        st.write("This code will be printed to the sidebar.")
+
+    option = st.sidebar.selectbox(
+    "How would you like to be contacted?",
+    ("Email", "Home phone", "Mobile phone"),
+    )
+    
+    st.sidebar.write("You selected:", option)
+
+    with st.spinner("Loading..."):
+        time.sleep(5)
+    st.success("Done!")
+
 # Initialize chat history
 if "messages" not in st.session_state:
     st.session_state.messages = []