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)
>>> turtle.circle(50)

2.画一组同心圆

import turtle

turtle.up()
turtle.goto(0,-50)
turtle.down()
turtle.circle(50)
turtle.up()
turtle.goto(0,-100)
turtle.down()
turtle.circle(100)
turtle.up()
turtle.goto(0,-150)
turtle.down()
turtle.circle(150)

3.画一个五角星

import turtle

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

4.画一个黄色实心五角星

import turtle

turtle.fillcolor('yellow')
turtle.color('yellow')

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

5.画左上角的五颗五角星

import turtle

turtle.bgcolor('red')

turtle.color('yellow')
turtle.begin_fill()
turtle.up()
turtle.goto(-750,300)
turtle.down()
turtle.left(144)
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.color('yellow')
turtle.begin_fill()
turtle.up()
turtle.goto(-650,410)
turtle.down()
turtle.left(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.color('yellow')
turtle.begin_fill()
turtle.up()
turtle.goto(-580,380)
turtle.down()
turtle.left(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.color('yellow')
turtle.begin_fill()
turtle.up()
turtle.goto(-550,320)
turtle.down()
turtle.left(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.color('yellow')
turtle.begin_fill()
turtle.up()
turtle.goto(-600,250)
turtle.down()
turtle.left(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.hideturtle()