save project

snake.py

@@ -25,14 +25,14 @@ while True:
     
     j.append((x,y))
     j.pop(0)
+    
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right, j[3])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, j[2])
-    screen.blit(body, j[1])
-    screen.blit(body, j[0])
-    # 将果实画上去
+    for i in range(len(j)-1):
+        screen.blit(body,j[i])
+    
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()