Update app.py

app.py

@@ -4,6 +4,8 @@ import learning
 import correction
 import requests, ast, traceback, logging, os, contextlib, io, json, time, re, sys
 
+streamlit run app.py
+
 st.title("🎈 My new app")
 st.write("Let's start building! For help and inspiration, head over to [docs.streamlit.io](https://docs.streamlit.io/).")