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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def setup_logging(self):
 """Setup of application logging."""

        is_custom_logging = len(self.options.logging_config) > 0
        is_custom_logging = is_custom_logging and os.path.isfile(self.options.logging_config)
        is_custom_logging = is_custom_logging and not self.options.dry_run

        if is_custom_logging:
            Logger.configure_by_file(self.options.logging_config)
        else:
            logging_format = "%(asctime)-15s - %(name)s - %(message)s"
            if self.options.dry_run:
                logging_format = "%(name)s - %(message)s"
            Logger.configure_default(logging_format, self.logging_level)