save project

snake.py

@@ -53,8 +53,10 @@ while True:
     else:
         y += 30
     if  apple_x==x and apple_y==y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        g=random.randint(1,22)
+        m=random.randint(1,16)
+        apple_x=g*30-30
+        apple_y=m*30-30
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去