Update app.py

app.py

@@ -31,6 +31,6 @@ def main():
                                                "Month": [Month],
                                                "PIPE DIAM": [pipe_diam]}))
             str_result = str(result)
-            st.success("Water usage predict value:"+str_result)
+            st.success("Water usage predict value:"+str_result+"cubic meters")
 if __name__ == '__main__':
     main()