turtle库基础练习

1，画一组同切圆。

import turtle

 

>>> turtle.circle(10)
>>> turtle.circle(20)
>>> turtle.circle(40)

>>> turtle.reset()

 

2，画一组同心圆。

>>> turtle.goto(0,-20)
>>> turtle.circle(10)
>>> turtle.reset()
>>> turtle.circle(10)
>>> turtle.up()
>>> turtle.goto(0,-20)
>>> turtle.circle(30)
>>> turtle.down()
>>> turtle.circle(30)
>>> turtle.up()
>>> turtle.goto(0,-40)
>>> turtle.down()
>>> turtle.circle(50)

>>> turtle.reset()

3，画一个五角星。

turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.reset()

4，画一个黄色实心五角星。

>>> turtle.color('yellow')
>>> turtle.fillcolor('yellow')
>>> turtle.,begin_fill()
SyntaxError: invalid syntax
>>> turtle.begin_fill()
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.right(144)
>>> turtle.forward(200)
>>> turtle.end_fill()
>>>