save project

my_music.py

@@ -57,7 +57,16 @@ while True:
                     pygame.mixer.music.load(music_list[num])
                     pygame.mixer.music.play()
                     click=0
-                    play_button=stop_img    
+                    play_button=stop_img
+
+                if x>420  and x<520 and y>350 and y<400:
+                    num+=1
+                    if num<len(music_list)-1:
+                        num =0
+                    pygame.mixer.music.load(music_list[num])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img
 
     if pygame.mixer.music.get_busy() == False:
         num +=1