input: Write a function to modify the given Python program to make a correct API request with the necessary headers and parse the response to print each user in the response data.
  
  import requests
  
  url = 'https://api.example.com/users'
  
  headers = {
   'Authorization': 'Bearer YOUR_API_TOKEN',
   'Content-Type': 'application/json',
  }
  
  def make_api_request(url, headers):
   response = requests.get(url, headers=headers).json()
   for user in response['data']:
    print(user)
  
  make_api_request(url, headers)
  
  assert make_api_request('https://api.example.com/users', {'Authorization': 'Bearer TEST_TOKEN', 'Content-Type': 'application/json'}) == None
output: def make_api_request(url, headers):
   response = requests.get(url, headers=headers).json()
   for user in response['data']:
    print(user)