text: #!/usr/bin/python3
  from flask import Flask, jsonify
  
  app = Flask(__name__)
  
  @app.route('/')
  def index():
      return "Hello, World!"
  
  @app.route('/users/<string:user_name>')
  def get_user(user_name):
      return jsonify({'hello': user_name})
  
  if __name__ == '__main__':
      app.run(debug=True)
  