<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def ignore_file_extension(self, extension):
 """ Configure a file extension to be ignored. :param extension: file extension to be ignored (ex. .less, .scss, etc) """

        logger.info('Ignoring file extension: {}'.format(extension))
        self.watcher.ignore_file_extension(extension)