def test1():
l = []
for i in range(1000):
l = l + [i]
t1 = Timer("test1()", "from __main__ import test1")
print("concat ", t1.timeit(number=1000), "seconds")
python timeit测试程序执行时间
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转载自blog.csdn.net/qq_41228218/article/details/93507251
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