auto save

snake.py

@@ -47,7 +47,7 @@ while True:
         x += 30
     elif setheading == "left":
         x -= 30
-    elif setheading == "up"
+    elif setheading == "up":
         y -= 30
     else:
         y += 30
@@ -56,7 +56,7 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
-    screen.blit(snake_head, position[-1])
+    screen.blit(snake_head, position[-1])  #
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body, position[i])