Update app.py

app.py

@@ -1,6 +1,10 @@
 # Install necessary libraries
 !pip install streamlit
 !pip install plotly
+!pip install pyngrok
+
+# Authenticate ngrok (replace YOUR_ACTUAL_AUTH_TOKEN with your actual token)
+!2qQbK3clYiQev19XvITBDlPLKxx_2Q7PxKApVrYZhVKUBY1my # Replace with your ngrok token
 
 # Create the app.py file for Streamlit
 app_code = """
@@ -95,4 +99,12 @@ with open("app.py", "w") as file:
     file.write(app_code)
 
 # Run Streamlit app in Colab using subprocess
-!streamlit run app.py
+import os
+os.system('streamlit run app.py &')
+
+# Set up the ngrok tunnel
+from pyngrok import ngrok
+public_url = ngrok.connect(port='8501')
+
+# Display the public URL
+public_url