测试函数耗时timeit
from timeit import timeit def hello(): for i in range(10000): print(i) res = timeit("hello()", "from __main__ import hello", number=100) print(res)
from timeit import timeit def hello(): for i in range(10000): print(i) res = timeit("hello()", "from __main__ import hello", number=100) print(res)