turtle库基础练习

1. 画一组同切圆

   import turtle
   turtle.circle(20)
   turtle.circle(30)
   turtle.circle(40)
   turtle.circle(50)
   turtle.circle(60)
   turtle.circle(70)

   

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)
   turtle.up()
   turtle.goto(0,-60)
   turtle.down()
   turtle.circle(60)
   turtle.up()
   turtle.goto(0,-100)
   turtle.down()
   turtle.circle(100)

   

3. 画一个五角星

   import turtle
   turtle.forward(200)
   turtle.right(144)
   turtle.forward(200)
   turtle.right(144)
   turtle.forward(200)
   turtle.right(144)
   turtle.forward(200)
   turtle.right(144)
   turtle.forward(200)
   turtle.right(144)

   

4. 画一个黄色实心五角星

   import turtle
   turtle.fillcolor('yellow')
   turtle.color('yellow')
   turtle.bgcolor('red')
   
   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.shape('turtle')
   turtle.end_fill()
   turtle.hideturtle()

   

5. 画左上角的五颗五角星

   import turtle
   turtle.bgcolor('red')
   #大五角星
   turtle.shape('turtle')
   turtle.up()
   turtle.goto(-320,200)
   turtle.down()
   turtle.fillcolor('yellow')
   turtle.color('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()
   #小五角星
   turtle.up()
   turtle.goto(-200,260)
   turtle.down()
   turtle.fillcolor('yellow')
   turtle.color('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.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-150,220)
   turtle.down()
   turtle.fillcolor('yellow')
   turtle.color('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.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-150,160)
   turtle.down()
   turtle.fillcolor('yellow')
   turtle.color('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.right(144)
   turtle.end_fill()
   
   turtle.up()
   turtle.goto(-200,100)
   turtle.down()
   turtle.fillcolor('yellow')
   turtle.color('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.right(144)
   turtle.end_fill()
   
   turtle.hideturtle()