def metric(fn): def wrapper(*args,**kwargs): #获取当前时间 start_time = time.time() #调用原始函数 result = fn(*args,**kwargs) #获取当前时间 end_time = time.time() #计算执行时间(转换为毫秒) duration = (end_time - start_time)*1000 print('%s executed in %.2f ms' % (fn.__name__,duration)) return result return wrapper
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