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有模板还好,闭着眼睛写还是费劲

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

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