save project

my_music.py

@@ -48,14 +48,21 @@ while True:
                 x,y = event.pos
                 x,y = event.pos
                 if x > 270 and x < 370 and y >350 and y < 450:
                 if x > 270 and x < 370 and y >350 and y < 450:
                 # 次数增加
                 # 次数增加
-                    click += 1
+                    click += 1 
                     if click % 2 == 0:
                     if click % 2 == 0:
                         play_button = stop_img
                         play_button = stop_img
                         pygame.mixer.music.unpause()
                         pygame.mixer.music.unpause()
                     else:
                     else:
                         play_button = play_img
                         play_button = play_img
                         pygame.mixer.music.pause()
                         pygame.mixer.music.pause()
-
+                if x > 120 and x < 220 and y >350 and y<400:
+                    num -=1
+                    if num=0:
+                        num=len(music_list)-1
+                         pygame.mixer.music.load(path+"\\"+music_list[num])
+                          pygame.mixer.music.play()
+                            play_button = stop_img
+                            click=0
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
         num += 1
         num += 1
         if num > len(music_list)-1:
         if num > len(music_list)-1: