def metric(fn): @functools.wraps(fn)
def func(*args,**kw): startT=time.time() res=fn(*args,**kw) endT=time.time() runtimes=endT-startT print('%s executed in %s ms' % (fn.__name__, runtimes)) return res return func
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暗影之_刃
def metric(fn): @functools.wraps(fn)