input: Write a python function to parse a JSON string and extract values using the json library.
  assert parse_json('{"name": "James","age": 27}') == ("James", 27)
  assert parse_json('{"name": "Anna","age": 30}') == ("Anna", 30)
  assert parse_json('{"name": "Tom","age": 22}') == ("Tom", 22)
output: def parse_json(json_string):
      import json
      data = json.loads(json_string)
      return data["name"], data["age"]