turtle库基础练习

1.画一组同切圆

>>> import turtle
>>> turtle.circle(30)
>>> turtle.circle(45)
>>> turtle.circle(60)
>>> turtle.circle(75)
>>> turtle.circle(90)

2.画一组同心圆

>>> import turtle
>>> turtle.up()
>>> turtle.goto(0,-20)
>>> turtle.down()
>>> turtle.circle(20)
>>> turtle.up()
>>> turtle.goto(0,-40)
>>> turtle.down()
>>> turtle.circle(40)
>>> 

 

3.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)
>>> turtle.left(144)

4.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()
>>> 

5.画左上角的五颗五角星

 

import turtle
turtle.up()
turtle.goto(-350,300)
turtle.down()
turtle.shape('turtle')
turtle.color('yellow')
turtle.bgcolor('red')
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.up()
turtle.goto(-180,280)
turtle.down()
turtle.color('yellow')
turtle.fillcolor('yellow')
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(-160,280)
turtle.down()
turtle.color('yellow')
turtle.fillcolor('yellow')
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(-210,180)
turtle.down()
turtle.color('yellow')
turtle.fillcolor('yellow')
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(-250,170)
turtle.down()
turtle.color('yellow')
turtle.fillcolor('yellow')
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()