input: Write a python function to make an HTTP GET request to a given URL and parse the JSON response, returning the 'data' field.
  assert get_data_from_url("http://www.mocky.io/v2/5e60c5f53300005fcc97bbdd") == [{"name": "John"}, {"name": "Jane"}]
  assert get_data_from_url("http://www.mocky.io/v2/5e60c5f53300005fcc97bbdd") == [{"name": "Alice"}, {"name": "Bob"}]
  assert get_data_from_url("http://www.mocky.io/v2/5e60c5f53300005fcc97bbdd") == [{"name": "Charlie"}, {"name": "Dana"}]
output: import requests
  
  def get_data_from_url(url):
      response = requests.get(url)
      json_data = response.json()
      return json_data['data']