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不知道我这个写得对不对。

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表面不约谁信

#1 Created at ... [Delete] [Delete and Lock User] 
def metric(fn):
    @functools.wraps(fn)
    def wrapper(*args, **kw):
        print('%s executed in %s ms' % (fn.__name__, 10.24))
        return fn(*args, **kw)
    return wrapper

表面不约谁信

#2 Created at ... [Delete] [Delete and Lock User]

忘记还要打印时间了。应该是这样。

def metric(fn):
    @functools.wraps(fn)
    def wrapper(*args, **kw):
        start = time.time()
        run_fn = fn(*args, **kw)
        end = time.time() 
        print('%s executed in %s ms' % (fn.__name__, (end-start)*1000))
        return run_fn
    return wrapper
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