save project

my_music.py

@@ -64,7 +64,7 @@ while True:
                 if x>120 and x<220 and y>350 and y<400:
                 if x>120 and x<220 and y>350 and y<400:
                     num+=1
                     num+=1
                     if num<0:
                     if num<0:
-                        num=len(path+"\\"nmd)+1
+                        num=len(path+"\\"+nmd)+1
                     sb=0
                     sb=0
                     play_img=stop_img
                     play_img=stop_img
                     pygame.mixer.music.load(path+"\\"+nmd[num])
                     pygame.mixer.music.load(path+"\\"+nmd[num])