随笔分类 - python设计模式
摘要：import time class LocalStrategy: def execute(self): print("this is a local 104 execute") class SaasStrategy: def execute(self): print("this is a saas
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摘要：import time class Observer: def __init__(self, name) -> None: self.name = name def update(self, message): print("name %s received message: %s" % (self
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