input: def create_country_list_api():
      """Create a basic REST API using Python and Flask to list all the countries in the world.
      The API should return a JSON response containing all countries read from a local JSON file named 'data.json'.
  
      Example:
      Accessing the endpoint /countries should return a JSON response similar to:
      [
          {"name": "Afghanistan", "code": "AF"},
          {"name": "Albania", "code": "AL"},
          ...
      ]
      """
  
      import flask
      from flask import Flask, request, jsonify
      import json
  
      app = Flask(__name__)
  
      @app.route('/countries', methods=['GET'])
      def get_countries():
          with open('data.json', 'r') as f:
              countries = json.load(f)
          return jsonify(countries)
  
      if __name__ == '__main__':
          app.run()
output:     
      import flask
      from flask import Flask, request, jsonify
      import json
  
      app = Flask(__name__)
  
      @app.route('/countries', methods=['GET'])
      def get_countries():
          with open('data.json', 'r') as f:
              countries = json.load(f)
          return jsonify(countries)
  
      if __name__ == '__main__':
          app.run()
  