turtle库基础练习

1. 画一组同切圆

   turtle.circle(5)
   >>> turtle.circle(50)
   >>> turtle.circle(60)
   >>> turtle.circle(70)

   
2. 画一组同心圆

   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)

   

3. 画一个五角星

   import turtle
   
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)

   
4. 画一个黄色实心五角星

   import turtle
   
   turtle.begin_fill()
   turtle.bgcolor('red')
   turtle.fillcolor('yellow')
   turtle.color('yellow')
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.right(144)
   turtle.forward(400)
   turtle.end_fill()
   
   turtle.hideturtle()

5. 画左上角的五颗五角星

   import turtle
   turtle.color('yellow')
   turtle.bgcolor('red')
   
   
   turtle.penup()
   turtle.goto(-350,210)
   turtle.penup()
   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.begin_fill()
   turtle.penup()
   turtle.goto(-180,270)
   turtle.pendown()
   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.end_fill()
   
   turtle.begin_fill()
   turtle.penup()
   turtle.goto(-100,245)
   turtle.pendown()
   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.end_fill()
   
   
   turtle.begin_fill()
   turtle.penup()
   turtle.goto(-110,95)
   turtle.pendown()
   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.end_fill()
   
   turtle.begin_fill()
   turtle.penup()
   turtle.goto(-170,50)
   turtle.pendown()
   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.end_fill()