青少年编程-Python之太极画图第四幕

太极画图代码与效果显示：

import turtle

turtle.speed(10)

turtle.pendown()

turtle.circle(100,180)

turtle.circle(200,180)

turtle.circle(100,-180)

turtle.fillcolor('black')

turtle.begin_fill()

turtle.circle(100,180)#开始填充的位置很关键

turtle.circle(200,180)

turtle.circle(100,-180)

turtle.end_fill()

turtle.penup()

turtle.goto(0,100)

turtle.dot(50)

turtle.goto(0,-100)