海龟库turtle

turtle.showturtle()

turtle.write("xxx")

turtle.forward(100)

turtle.color("red")

turtle.left(90)

turtle.circle(50)

turtle.goto(0,0)

turtle.penup()

turtle.pendown()

turtle.width(10)

turtle.done() 放在程序的最后，使窗口持续打开。

example:

奥运五环

import turtle

turtle.width(10)

turtle.color("blue")

turtle.circle(50)

turtle.color("black")

turtle.penup()

turtle.goto(120,0)

turtle.pendown()

turtle.circle(50)

turtle.color("red")

turtle.penup()

turtle.goto(240,0)

turtle.pendown()

turtle.circle(50)

turtle.color("yellow")

turtle.penup()

turtle.goto(60,-50)

turtle.pendown()

turtle.circle(50)

turtle.color("green")

turtle.penup()

turtle.goto(180,-50)

turtle.pendown()

turtle.circle(50)