Python3 turtle海龟绘图入门代码示例

>>> import turtle
>>> turtle.showturtle()
>>> turtle.color('red')
>>> turtle.write('张学亮')
>>> turtle.forward(100)
>>> turtle.forward(100)
>>> turtle.left(90)
>>> turtle.forward(100)
>>> turtle.forward(200)
>>> turtle.goto(0,0)
>>> turtle.left(90)
>>> turtle.forward(200)
>>> turtle.right(90)
>>> turtle.forward(180)
>>> turtle.goto(0,0)
>>> turtle.left(180)
>>> turtle.forward(180)
>>> turtle.goto(-200,0)
>>> turtle.penup()
>>> turtle.goto(0,0)
>>> turtle.circle(100)
>>> turtle.color('green')
>>> turtle.circle(100)
>>> turtle.pendown()
>>> turtle.circle(100)
>>> 

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