#coding=utf8
import turtle
turtle.pensize(20)
turtle.tracer(False)
turtle.up()
turtle.color("red")
turtle.forward(200)
turtle.down()
turtle.circle(90)
turtle.up()
turtle.color("green")
turtle.backward(200)
turtle.down()
turtle.right(90)
turtle.circle(90)
turtle.up()
turtle.color("black")
turtle.left(90)
turtle.down()
turtle.circle(90)
turtle.up()
turtle.color("yellow")
turtle.backward(200)
turtle.down()
turtle.right(90)
turtle.circle(90)
turtle.up()
turtle.color("blue")
turtle.left(90)
turtle.down()
turtle.circle(90)
turtle.up()
turtle.done()
所得圖形