input: Write a function to parse a JSON data structure.
  import json
  
  def parse_json(data):
   data = json.loads(data)
   return data['name'], data['age'], data['occupation']
  
  assert parse_json('{"name": "John", "age": 18, "occupation": "Software Engineer"}')==('John', 18, 'Software Engineer')
  assert parse_json('{"name": "Alice", "age": 30, "occupation": "Data Scientist"}')==('Alice', 30, 'Data Scientist')
  assert parse_json('{"name": "Bob", "age": 25, "occupation": "Product Manager"}')==('Bob', 25, 'Product Manager')
  assert parse_json('{"name": "Eva", "age": 22, "occupation": "UX Designer"}')==('Eva', 22, 'UX Designer')
  assert parse_json('{"name": "Chris", "age": 28, "occupation": "DevOps Engineer"}')==('Chris', 28, 'DevOps Engineer')
output: def parse_json(data):
      data = json.loads(data)
      return data['name'], data['age'], data['occupation']