code: def configure(username=None, password=None, config_file=None):
      
      username = input('Email address: ') if not username else username
      password = getpass('Password: ') if not password else password
      config_file_path = config_module.write_config_file(username, password, config_file)
      return config_file_path
docs: Configure internetarchive with your Archive.org credentials.
  
      :type username: str
      :param username: The email address associated with your Archive.org account.
  
      :type password: str
      :param password: Your Archive.org password.
  
      Usage:
          >>> from internetarchive import configure
          >>> configure('user@example.com', 'password')