Update file ec2_function.py

ec2_function.py

@@ -5,6 +5,10 @@ import math
 
 app = Flask(__name__)
 
+@app.route('/')
+def hello_world():
+  return 'Hello from Flask!'
+
 @app.route('/work', methods=['POST'])
 def run_simulation():
     # Parse the JSON input data
@@ -76,3 +80,6 @@ def run_simulation():
     #     'result': result
     # }
     # return jsonify(response_json)
+
+if __name__ == '__main__':
+  app.run()
\ No newline at end of file