python基础教程： 利用turtle库绘制笑脸和哭脸的例子

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我就废话不多说了，直接上代码吧！

import turtle
turtle.pensize(5)
turtle.pencolor("yellow")
turtle.fillcolor("red")
turtle.penup()
turtle.goto(0,-200)
turtle.pendown()
turtle.circle(200)
  
turtle.penup()
turtle.goto(-100,50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(17.5)
turtle.end_fill()
  
turtle.penup()
turtle.goto(100,50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(17.5)
turtle.end_fill()
  
turtle.penup()
turtle.goto(0,50)
turtle.pendown()
turtle.circle(-70,steps=3)
  
turtle.penup()
turtle.goto(-100,-70)
turtle.pendown()
turtle.right(90)
turtle.circle(100,180)
turtle.mainloop()#结果如下

import turtle
turtle.pensize(5)
turtle.pencolor("green")
turtle.fillcolor("red")
turtle.penup()
turtle.goto(0,-200)
turtle.pendown()
turtle.circle(200)
  
turtle.penup()
turtle.goto(-100,50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(17.5)
turtle.end_fill()
  
turtle.penup()
turtle.goto(100,50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(17.5)
turtle.end_fill()
  
turtle.penup()
turtle.goto(0,50)
turtle.pendown()
turtle.circle(-70,steps=3)
  
turtle.penup()
turtle.goto(-50,-120)
turtle.pendown()
turtle.left(90)
turtle.circle(-50,180)
  
turtle.mainloop()#结果如下

import turtle
turtle.pensize(5)
turtle.pencolor("green")
turtle.fillcolor("red")
turtle.penup()
turtle.goto(0,-200)
turtle.pendown()
turtle.circle(200)
  
turtle.penup()
turtle.goto(-100,50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(17.5)
turtle.end_fill()
  
turtle.penup()
turtle.goto(100,50)
turtle.pendown()
turtle.begin_fill()
turtle.circle(17.5)
turtle.end_fill()
  
turtle.penup()
turtle.goto(0,50)
turtle.pendown()
turtle.circle(-70,steps=3)
  
turtle.penup()
  
turtle.goto(-100,-120)
turtle.pendown()
  
turtle.left(90)
turtle.circle(-25,180)
  
turtle.left(180)
turtle.circle(-25,180)
  
turtle.left(180)
turtle.circle(-25,180)
  
turtle.left(180)
turtle.circle(-25,180)
  
turtle.mainloop()#结果如下

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