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第一题

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onion_4

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

import time import functools

def metric(fn): @functools.wraps(fn) def decorator(*args,**kw): t1=time.time() result=fn(*args,**kw) print('%s executed in %s ms' % (fn.__name__, (time.time()-t1)*1000)) return result return decorator


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