import time, functools def metric(fn): @functools.wraps(fn) def wrapper(*arges, **kw): start = time.time() ans = fn(*arges, **kw) end = time.time() print('%s executed in %s ms' % (fn.__name__, (end - start) * 1000)) return ans return wrapper
写错了兄弟
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昵称什么的最不好想了