好得很程序员自学网

<tfoot draggable='sEl'></tfoot>

动画

import turtle import random turtle.pensize(2) turtle.screensize(800,600) banjing = 200 jianju = 2 yanse = 'red' speed = 5 turtle.penup() turtle.goto(0,-200) yanseArr = ['red','black','blue','yellow','green','gray','brown','white']

while(1==1): banjing=random.randint(20,300) jianju=random.randint(2,banjing) yanse=yanseArr[random.randint(0,len(yanseArr)-1)] speed=random.randint(20,40) turtle.speed(speed) turtle.pencolor(yanse) for item in range(0,int(banjing/jianju)): turtle.goto(0,-200+item jianju) turtle.pendown() turtle.circle(banjing-item jianju) turtle.penup() turtle.clear()

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