fix: function names

main.py

 }
 
 @app.route('/peejay', methods=['POST', 'GET'])
-def index():
+def peejay():
     """Handles an event from Hangouts Chat."""
     if request.method == 'GET':
         return json.jsonify({'message': 'Hello there!'})
         return
 
 @app.route('/vss', methods=['POST', 'GET'])
-def index():
+def vss():
     """Handles an event from Hangouts Chat."""
     if request.method == 'GET':
         return json.jsonify({'message': 'Hello there!'})
         return
 
 @app.route('/kunal', methods=['POST', 'GET'])
-def index():
+def kunal():
     """Handles an event from Hangouts Chat."""
     if request.method == 'GET':
         return json.jsonify({'message': 'Hello there!'})
         return
 
 @app.route('/nithin', methods=['POST', 'GET'])
-def index():
+def nithin():
     """Handles an event from Hangouts Chat."""
     if request.method == 'GET':
         return json.jsonify({'message': 'Hello there!'})
                             })
     else:
         return
-        
+
 @app.errorhandler(500)
 def server_error(e):
     # Log the error and stacktrace.