1. 画一组同切圆
   import turtleturtle.circle(20)turtle.circle(40)turtle.circle(60)turtle.circle(80)turtle.done()

   

    

2. 画一组同心圆
   import turtleturtle.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.done()

   

    

3. 画一个五角星
   import turtleturtle.shape ('turtle')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.hideturtle()turtle.done()

   

    

4. 画一个黄色实心五角星
   import turtleturtle.shape ('turtle')turtle.color('yellow')turtle.fillcolor('yellow')turtle.begin_fill ()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.hideturtle()turtle.done()

   

    

5. 画左上角的五颗五角星
   import turtleturtle.shape('turtle')turtle.color('yellow')turtle.bgcolor('red')turtle.fillcolor('yellow')turtle.up()turtle.goto(-350,180)turtle.down()turtle.begin_fill()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.up()turtle.goto(-150,250)turtle.down()turtle.begin_fill()turtle.left (50)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.end_fill()turtle.up()turtle.goto(-130,200)turtle.down()turtle.begin_fill()turtle.left (50)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.end_fill()turtle.up()turtle.goto(-70,130)turtle.down()turtle.begin_fill()turtle.left (45)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.end_fill()turtle.up()turtle.goto(-160,50)turtle.down()turtle.begin_fill()turtle.left (50)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.right (144)turtle.forward(40)turtle.end_fill()turtle.hideturtle()turtle.done()