turtle库基础练习

1.画一组同切圆

import turtle
turtle.circle(20)
turtle.circle(40)
turtle.circle(60)

2、画一组同心圆

import turtle
#画第一个圆 
turtle.up()
turtle.goto(0,-200)
turtle.down()
turtle.circle(200)
#画第二个圆 
turtle.up()
turtle.goto(0,-150)
turtle.down()
turtle.circle(150)
#画第三个圆 
turtle.up()
turtle.goto(0,-100)
turtle.down()
turtle.circle(100)

 

 3.画一个五角星

import turtle

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.right(144)

4.画一个黄色实心五角星

import turtle

turtle.bgcolor('red')

turtle.up()
turtle.goto(-350,180)
turtle.down()

turtle.pencolor('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.right(144)
turtle.forward(180)
turtle.end_fill()
turtle.hideturtle()

turtle.up()
turtle.goto(-150,250)
turtle.down()

turtle.pencolor('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.left(50)
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()

turtle.up()
turtle.goto(-130,200)
turtle.down()

turtle.pencolor('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.left(50)
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()

turtle.up()
turtle.goto(-70,130)
turtle.down()

turtle.pencolor('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.left(45)
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()

turtle.up()
turtle.goto(-160,40)
turtle.down()

turtle.pencolor('yellow')
turtle.fillcolor('yellow')
turtle.begin_fill()
turtle.left(50)
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()
turtle.done()