save project

my_music.py

@@ -64,7 +64,16 @@ while True:
                     pygame.mixer.music.play()
                     click = 0
                     play_button = play_img
+                if x>420 and x<520 and y>350 and y<400:
+                    num += 1
+                    if num > 3 :
+                        num = 0
+                    pygame.mixer.music.load(path+'\\'+music_list[num])
+                    pygame.mixer.music.play()
+                    click = 0
+                    play_button = play_img
                     
+
     if pygame.mixer.music.get_busy() == False:
         num +=1
         if num > len(music_list)-1: