code: def login(self, username, *, token=None):
  		
  
  		self._username = username
  		self._oauth(username, token=token)
  
  		return self.is_authenticated
docs: Log in to Google Music.
  
  		Parameters:
  			username (str, Optional): Your Google Music username.
  				Used for keeping stored OAuth tokens for multiple accounts separate.
  			device_id (str, Optional): A mobile device ID or music manager uploader ID.
  				Default: MAC address is used.
  			token (dict, Optional): An OAuth token compatible with ``requests-oauthlib``.
  
  		Returns:
  			bool: ``True`` if successfully authenticated, ``False`` if not.