code: def login(self, username=None, password=None, android_id=None):
  		
  
  		cls_name = type(self).__name__
  
  		if username is None:
  			username = input("Enter your Google username or email address: ")
  
  		if password is None:
  			password = getpass.getpass("Enter your Google Music password: ")
  
  		if android_id is None:
  			android_id = Mobileclient.FROM_MAC_ADDRESS
  
  		try:
  			self.api.login(username, password, android_id)
  		except OSError:
  			logger.exception("{} authentication failed.".format(cls_name))
  
  		if not self.is_authenticated:
  			logger.warning("{} authentication failed.".format(cls_name))
  
  			return False
  
  		logger.info("{} authentication succeeded.\n".format(cls_name))
  
  		return True
docs: Authenticate the gmusicapi Mobileclient instance.
  
  		Parameters:
  			username (Optional[str]): Your Google Music username. Will be prompted if not given.
  
  			password (Optional[str]): Your Google Music password. Will be prompted if not given.
  
  			android_id (Optional[str]): The 16 hex digits from an Android device ID.
  				Default: Use gmusicapi.Mobileclient.FROM_MAC_ADDRESS to create ID from computer's MAC address.
  
  		Returns:
  			``True`` on successful login or ``False`` on unsuccessful login.