摘要：
#!/usr/bin/env python #-*- coding:utf-8 -*- import math import time def test01(): start=time.time() for i in range(1000000): math.sqrt(30) end=time.ti 阅读全文
摘要：
#!/usr/bin/env python #-*- coding:utf-8 -*- import turtle t=turtle.Pen() my_colors=("red","green","yellow","black") t.width(4) t.speed(1) for i in ran 阅读全文