input: Write a python function to start a Flask web server that returns a JSON response containing a list of strings.
  assert getResponse("/request") == ['string1', 'string2', 'string3']
output: from flask import Flask, jsonify
  
  app = Flask(__name__)
  
  @app.route('/request', methods=['GET'])
  def getResponse():
      response = ['string1', 'string2', 'string3']
      return jsonify(response)
  
  if __name__ == "__main__":
      app.run(debug=True)