python小游戏——火柴人爱心发射

画完之后的效果图

代码如下：

#2.14
from turtle import *
from time import sleep
  
def go_to(x, y):
  up()
  goto(x, y)
  down()
  
def head(x,y,r):
  go_to(x,y)
  speed(1)
  circle(r)
  leg(x,y)
  
def leg(x,y):
  
  right(90)
  forward(180)
  right(30)
  forward(100)
  left(120)
  go_to(x,y-180)
  forward(100)
  right(120)
  forward(100)
  left(120)
  hand(x,y)
  
  
def hand(x,y):
  go_to(x,y-60)
  forward(100)
  left(60)
  forward(100)
  go_to(x, y - 90)
  right(60)
  forward(100)
  right(60)
  forward(