auto save

snake.py

@@ -63,8 +63,8 @@ while True:
 
     if x ==apple_x and y==apple_y :
         score += 5
-        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
     else:
         position.pop(0)
     # 将背景图画上去