turtle库基础练习

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1. 画一组同切圆

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

   

2. 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)

   

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.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.right(144)
   turtle.end_fill()

   

5. 画左上角的五颗五角星

   import turtle
   turtle.speed(10)
   turtle.bgcolor('red')
   turtle.up()
   turtle.goto(-550,200)
   turtle.down()
   
   turtle.color('yellow')
   turtle.fillcolor('yellow')
   turtle.begin_fill()
   turtle.forward(230)
   turtle.right(144)
   turtle.forward(230)
   turtle.right(144)
   turtle.forward(230)
   turtle.right(144)
   turtle.forward(230)
   turtle.right(144)
   turtle.forward(230)
   turtle.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-260,280)
   turtle.down()
   
   turtle.color('yellow')
   turtle.fillcolor('yellow')
   turtle.begin_fill()
   turtle.left(45)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-150,165)
   turtle.down()
   
   turtle.color('yellow')
   turtle.fillcolor('yellow')
   turtle.begin_fill()
   turtle.left(50)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-170,100)
   turtle.down()
   
   turtle.color('yellow')
   turtle.fillcolor('yellow')
   turtle.begin_fill()
   turtle.right(95)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-260,5)
   turtle.down()
   
   turtle.color('yellow')
   turtle.fillcolor('yellow')
   turtle.begin_fill()
   turtle.left(45)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.forward(60)
   turtle.right(144)
   turtle.end_fill()
   
   turtle.hideturtle()