save project

snake.py

@@ -54,7 +54,7 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+    
     if x == apple_x and y == apple_y:
         n1 = random.randint(1,22)
         n2 = random.randint(1,16)
@@ -62,6 +62,8 @@ while True:
         apple_y = n2*30-30
     else:
         position.pop(0)
+        
+
 
     # 将背景图画上去
     screen.blit(background, (0, 0))