save project

my_music.py

@@ -41,7 +41,7 @@ while True:
             else:
                 play_button=play_img
                 pygame.mixer.music.pause()
-            if x > and x < 220 and y < 400:
+            if x > 120 and x < 220 and y > 350 and y<400:
                 num -= 1
                 if num < 0：
                     num = len(music_list)-1
@@ -49,7 +49,14 @@ while True:
                 pygame.mixer.music.play()
                 play_button=stop.play()
                 click=0
-                
+            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(path+"\\"+music.list[num])
+                pygame.mixer.music.play()
+                play_button=stop.play()
+                click=0    
                                                                                               U                                                                                                        
         if pygame.mixer.music.get_busy()==False:
              pygame.mixer.music.play()