1. 画一组同切圆
   import turtleturtle.shape("turtle")turtle.circle(50)turtle.circle(100)turtle.circle(150)

    

2. 画一组同心圆
   import turtleturtle.shape("turtle")turtle.pos()turtle.circle(50)turtle.up()turtle.goto(0,-50)turtle.down()turtle.circle(100)turtle.up()turtle.goto(0,-100)turtle.down()turtle.circle(150)turtle.up()turtle.goto(0,-150)turtle.down()turtle.circle(200)

    

3. 画一个五角星
   import turtleturtle.shape("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)

    

4. 画一个黄色实心五角星
   import turtleturtle.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.hideturtle()

    

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.begin_fill()turtle.up()turtle.goto(-270,170)turtle.down()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()turtle.color("yellow")turtle.bgcolor("red")turtle.fillcolor("yellow")turtle.begin_fill()turtle.up()turtle.goto(-130,170)turtle.down()turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.end_fill()turtle.hideturtle()turtle.color("yellow")turtle.bgcolor("red")turtle.fillcolor("yellow")turtle.begin_fill()turtle.up()turtle.goto(-120,160)turtle.down()turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.end_fill()turtle.hideturtle()turtle.color("yellow")turtle.bgcolor("red")turtle.fillcolor("yellow")turtle.begin_fill()turtle.up()turtle.goto(-160,100)turtle.down()turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.end_fill()turtle.hideturtle()turtle.color("yellow")turtle.bgcolor("red")turtle.fillcolor("yellow")turtle.begin_fill()turtle.up()turtle.goto(-155,200)turtle.down()turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.right(144)turtle.forward(30)turtle.end_fill()turtle.hideturtle()