save project

my_music.py

@@ -62,6 +62,12 @@ while True:
                         num=len(music_list)-1
                     pygame.mixer.music.load(path+'\\'+music_list[num])
                     pygame.mixer.music.play()
+                if x>420 and x<520 and y>350 and y<450:
+                    num=num+1
+                    if num>len(music_list)-1:
+                        num=0
+                    pygame.mixer.music.load(path+'\\'+music_list[num])
+                    pygame.mixer.music.play()
 
     if pygame.mixer.music.get_busy() == False:
         num=num+1