input: 
  import urllib.parse
  
  def parse_url(url: str) -> tuple:
      """Parse the given URL and return a tuple containing the protocol, domain name, and path.
  
      >>> parse_url('https://www.example.com/path/to/file')
      ('https', 'www.example.com', '/path/to/file')
      >>> parse_url('http://test.domain.com/some/path')
      ('http', 'test.domain.com', '/some/path')
      """
      parsed_url = urllib.parse.urlparse(url)
      protocol = parsed_url.scheme
      domain_name = parsed_url.netloc
      path = parsed_url.path
      return (protocol, domain_name, path)
  
  # Example usage:
  # parsed_result = parse_url('https://www.example.com/path/to/file')
  # print(parsed_result)
  # Output: ('https', 'www.example.com', '/path/to/file')
  
output:     
      parsed_url = urllib.parse.urlparse(url)
      protocol = parsed_url.scheme
      domain_name = parsed_url.netloc
      path = parsed_url.path
      return (protocol, domain_name, path)
  