save project

my_music.py

 import pygame
 from pygame import locals
 import os
-musicc = []
+musicc = ['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.wav']
 num = -1
 path = 'C:\\Users\\Administrator\\Desktop\\0'
 a = os.listdir(path)
@@ -58,8 +58,24 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
-            
+                if x > 120 and x < 220 and y > 350 and y < 450:
+                    num -= 1
+                    if num < 0:
+                        num = len(musicc) - 1
+                        pygame.mixer.music.load(path + '\\' + musicc[num])
+                        pygame.mixer.music.play()
+                        click = 0
+                        play_button = stop_img
 
+                
+                if x > 420 and x < 520 and y > 350 and y < 450:
+                    num = 1
+                    if num < 0:
+                        num = len(musicc) - 1
+                        pygame.mixer.music.load(path + '\\' + musicc[num])
+                        pygame.mixer.music.play()
+                        click = 0
+                        play_button = stop_img
     if pygame.mixer.music.get_busy() == False:
         num += 1
         num = num % 4