例一,利用turtle库(画笔工具进行一个奥运五环的绘制)
import turtle#海龟画图奥运五环
turtle.width(10)#确定画笔宽度
turtle.color('blue')
turtle.circle(50)
turtle.penup() #类似 画画中抬笔的动作
turtle.goto(120,0)
turtle.pendown() #可以理解为落笔,准备画画的动作
turtle.color('black')
turtle.circle(50)
turtle.penup()
turtle.goto(240,0)
turtle.pendown()
turtle.color('red')
turtle.circle(50)
turtle.penup()
turtle.goto(60,-50)
turtle.pendown()
turtle.color('yellow')
turtle.circle(50)
turtle.penup()
turtle.goto(180,-50)
turtle.pendown()
turtle.color('green')
turtle.circle(50)