save project

my_music.py

 import pygame
 import os
 from pygame import locals
-
 pygame.init()  # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
@@ -57,7 +56,24 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
+                if x>120 and x<220 and y>350 and y<400:
+                    num -= 1
+                    if num<0:
+                        num=len(list_yy)-1
+                    pygame.mixer.music.load('C:\\Users\\Administrator\\Desktop\\test'+'\\'+ list_yy[num])
+                    pygame.mixer.music.play()
+                    click = 0
+                    play_button = stop_img
+                if x>420 and x<520 and y>350 and y<400:
+                    num += 1
+                    if num>len(list_yy)-1:
+                        num=0
+                    pygame.mixer.music.load('C:\\Users\\Administrator\\Desktop\\test'+'\\'+ list_yy[num])
+                    pygame.mixer.music.play()
+                    click = 0
+                    play_button = stop_img
 
+                    
     if pygame.mixer.music.get_busy() == False:
         num+=1
         if num>len(list_yy)-1: