app.py updates

app.py

@@ -45,4 +45,10 @@ with Image.open("kitty.jpeg") as img:
 
         if point not in st.session_state["points"]:
             st.session_state["points"]=[point]
-            st.experimental_rerun()
+            st.experimental_rerun()
+
+
+if st.button('Say hello'):
+    st.write('Why hello there')
+else:
+    st.write('Goodbye')