auto save

snake.py

@@ -23,7 +23,6 @@ x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
-snake_head = right
 
 while True:
     for event in pygame.event.get():
@@ -57,9 +56,7 @@ while True:
     if x == apple_x and y == apple_y:
         num1 = random.randint(1,22)
         num2 = random.randint(1,16)
-        apple_x = num1*30 - 30
-        apple_y = num2*30 - 30
-    else:
+        apple_x = 
     position.pop(0)
 
     # 将背景图画上去
@@ -69,6 +66,7 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])
+
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面