th 3ad82a181d first		2025-04-26 10:09:38 +08:00
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单例	first	2025-04-26 10:09:38 +08:00
简单工厂模式	first	2025-04-26 10:09:38 +08:00
__init__.py	first	2025-04-26 10:09:38 +08:00