from timeit import Timer
def t1():
li = []
for i in range(10000):
li.append(i)
def t2():
li = []
for i in range(10000):
li += [i]
def t3():
li = [i for i in range(10000)]
def t4():
li = list(range(10000))
if __name__ == '__main__':
# 参数1运行语句，参数二导包。
timer1 = Timer("t1()", "from __main__ import t1")
print(timer1.timeit(1000))
timer2 = Timer("t2()", "from __main__ import t2")
print(timer2.timeit(1000))
timer3 = Timer("t3()", "from __main__ import t3")
print(timer3.timeit(1000))
timer4 = Timer("t4()", "from __main__ import t4")
print(timer4.timeit(1000))
转载于:https://www.cnblogs.com/c-x-a/p/10979233.html
