我的小記_初學python之裝飾器的實現

#我的小記_初學python之裝飾器的實現

import time
import os
def timeit(func):
	def wrapper():
		start = time.clock()
		func()
		end = time.clock()
		print(end - start)
	return wrapper

@timeit
def hello():
	print('hello')

hello()
os.system("pause")