1. 画五角星
   import turtlefor i in range (5):    turtle.forward(100)    turtle.right(144)

   
2. 画同心圆
   import turtlefor i in range (5):    turtle.up()    turtle.goto(0,-20*i+1)    turtle.down()    turtle.circle(20*i)

   
3. 画太阳花
   import turtleturtle.fillcolor('red')turtle.begin_fill()while True:    turtle.forward(200)    turtle.right(100)    if(abs(turtle.pos()))<1:       breakturtle.end_fill()turtle.hideturtle()
4. 画五个五角星
   import turtleturtle.speed('fastest')turtle.setup(700,500,0,0)turtle.fillcolor('yellow')turtle.color('yellow')turtle.bgcolor('red')def my_goto(x,y):    turtle.up()    turtle.goto(x,y)    turtle.down()def my_draw1(r):    turtle.begin_fill()    for i in range(5):        turtle.forward(r)        turtle.right(144)    turtle.end_fill()my_goto(-300,75)my_draw1(100)my_goto(-225,170)turtle.left(50)my_draw1(50) my_goto(-150,93)turtle.left(44)my_draw1(50) my_goto(-120,0)turtle.left(50)my_draw1(50) my_goto(-180,-50)turtle.left(50)my_draw1(50)

   

   5. 画◇花瓣的太阳花

   import turtleturtle.color('orange')turtle.bgcolor('purple')for i in range(1,73):    turtle.speed('fastest')    turtle.left(10)    turtle.forward(100)    turtle.right(45)    turtle.forward(100)    turtle.right(135)    turtle.forward(100)    turtle.right(45)    turtle.forward(100)