turtle库基础练习

画一组同切圆

 

import turtle

turtle.circle(20)
turtle.circle(40)
turtle.circle(60)
turtle.circle(80)

turtle.hideturtle()

结果如图：

 

 

画一组同心圆

import turtle

turtle.circle(20)
turtle.up()
turtle.goto(0,-20)
turtle.down()
turtle.circle(40)
turtle.up()
turtle.goto(0,-40)
turtle.down()
turtle.circle(60)
turtle.up()
turtle.goto(0,-60)
turtle.down()
turtle.circle(80)
turtle.up()
turtle.goto(0,-80)
turtle.down()

结果如图：

 

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.hideturtle()

结果如图：

 

画一个黄色实心五角星

import turtle

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

turtle.begin_fill()
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()

turtle.hideturtle()

结果如图：

 

画左上角的五颗五角星

import turtle

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

turtle.up()
turtle.goto(-350,200)
turtle.down()
turtle.begin_fill()
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()

turtle.up()
turtle.goto(-175,260)
turtle.down()
turtle.begin_fill()
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(-125,235)
turtle.down()
turtle.begin_fill()
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(-125,110)
turtle.down()
turtle.begin_fill()
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(-175,85)
turtle.down()
turtle.begin_fill()
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()

结果如图：