turtle库基础练习

1.画一组同切圆

>>> import turtle
>>> turtle.circle(10)
>>> turtle.circle(20)
>>> turtle.circle(30)
>>> turtle.circle(40)

2.画一个五角星

import turtle
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.left(144)
turtle.forward(100)

3.画一个黄色实心五角星

import turtle

turtle.shape("turtle")
turtle.color("yellow")
turtle.bgcolor("red")
turtle.fillcolor("yellow")

turtle.begin_fill()
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.left(144)
turtle.forward(100)
turtle.end_fill()

turtle.hideturtle()

4.画左上角的五颗五角星

import turtle
turtle.shape('turtle')
turtle.color('yellow')
turtle.bgcolor('red')
turtle.fillcolor('yellow')
turtle.speed(10)

turtle.up()
turtle.goto(-340,170)
turtle.down()
turtle.begin_fill()
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.right(144)
turtle.forward(150)
turtle.end_fill()

turtle.up()
turtle.goto(-180,220)
turtle.down()
turtle.begin_fill()
turtle.forward(40)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.up()
turtle.goto(-130,200)
turtle.down()
turtle.begin_fill()
turtle.forward(40)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.up()
turtle.goto(-130,130)
turtle.down()
turtle.begin_fill()
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.up()
turtle.goto(-180,30)
turtle.down()
turtle.begin_fill()
turtle.forward(40)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.right(144)
turtle.forward(50)
turtle.end_fill()

turtle.hideturtle()
turtle.done()

5.画同心圆

import turtle

for i in range(5):
    turtle.up()
    turtle.goto(0,40-10*i)
    turtle.down()
    turtle.circle(40+(10*i))