save project

my_music.py

@@ -49,7 +49,22 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
-
+                if x>120 and x<220 and y>350 and y<400:
+                    if mut<0:
+                        mut=len(j)-1
+                    mut-=1
+                    pygame.mixer.music.load(j[mut])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img
+                if x>420 and x<520 and y>350 and y<400:
+                    if mut >len(j)-1:
+                        mut=0
+                    mut+=1
+                    pygame.mixer.music.load(j[mut])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img
     if pygame.mixer.music.get_busy() == False:
         if mut >len(j)-1:
             mut=0