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作业

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Roger_R36

#1 Created at ... [Delete] [Delete and Lock User]
def metric(fn):
    @functools.wraps(fn)
    def wrapper(*args, **kw):
        start = time.time()
        fs = fn(*args, **kw)
        end = time.time()
       
        print('%s executed in %0.3f ms' % (fn.__name__, (end-start)*1000))
        
        return fs

    return wrapper


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