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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 _warn_unsafe_for_prod(self):
 """Warn on settings that are not safe for production."""

        safe_settings_list = [
            ('DEBUG', False),
            ('DEBUG_GMN', False),
            ('STAND_ALONE', False),
            ('DATABASES.default.ATOMIC_REQUESTS', True),
            ('SECRET_KEY', '<Do not modify this placeholder value>'),
            ('STATIC_SERVER', False),
        ]
        for setting_str, setting_safe in safe_settings_list:
            setting_current = self._get_setting(setting_str)
            if setting_current != setting_safe:
                logger.warning(
                    'Setting is unsafe for use in production. setting="{}" current="{}" '
                    'safe="{}"'.format(setting_str, setting_current, setting_safe)
                )