Update app.py

app.py

@@ -64,17 +64,21 @@ def main():
     col1, col2, col3 = st.columns(3)
     with col1:
         if st.button("West"):
-            st.session_state.locations = move_emojis(st.session_state.locations, current_location, "West")
+            direction = "West"
     with col2:
         if st.button("North"):
-            st.session_state.locations = move_emojis(st.session_state.locations, current_location, "North")
+            direction = "North"
         if st.button("Stop"):
-            pass
+            direction = "None"
         if st.button("South"):
-            st.session_state.locations = move_emojis(st.session_state.locations, current_location, "South")
+            direction = "South"
     with col3:
         if st.button("East"):
-            st.session_state.locations = move_emojis(st.session_state.locations, current_location, "East")
+            direction = "East"
+
+    if direction != "None":
+        st.session_state.locations = move_emojis(st.session_state.locations, current_location, direction)
+        st.experimental_rerun()
 
 if __name__ == "__main__":
     main()