Update hello.py

api/hello.py

@@ -11,6 +11,10 @@ app = Flask(__name__)
 def hello():
     return "<h1 style='color:blue'>Hello There!</h1>"
 
+@app.route("/about/")
+def about():
+    return "This is a simple Flask Python application"
+
 if __name__ == "__main__":
     app.debug = True
     app.run(host='0.0.0.0')