The default language is mksh, which is very similar to GNU Bash, but less sophisticated.
添加图片注释，不超过 140 字（可选）
，这一点在PDF资料中也有详细论述
Note that we are not currently proposing any way to create nominal classes
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
old_value = self._value