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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 _write_standard(self, message, extra):
        '''
        Writes a standard log statement

        @param message: The message to write
        @param extra: The object to pull defaults from
        '''
        level = extra['level']
        if self.include_extra:
            del extra['timestamp']
            del extra['level']
            del extra['logger']
            if len(extra) > 0:
                message += " " + str(extra)

        if level == 'INFO':
            self.logger.info(message)
        elif level == 'DEBUG':
            self.logger.debug(message)
        elif level == 'WARNING':
            self.logger.warning(message)
        elif level == 'ERROR':
            self.logger.error(message)
        elif level == 'CRITICAL':
            self.logger.critical(message)
        else:
            self.logger.debug(message)