save project

snake.py

@@ -55,8 +55,8 @@ while True:
 
     position.append((x, y))
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,22)*30
-        apple_y=random.randint(0,16)*30
+        apple_x=random.randint(0,21)*30
+        apple_y=random.randint(0,15)*30
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))