save project

my_music.py

@@ -56,10 +56,18 @@ while True:
                     click += 1
                     if click%2 == 0:
                         pygame.mixer.music.unpause()
-                        start = stop_img
                     else:
+                        play_button = play_img
                         pygame.mixer.music.pause()
-                        start = play_img
+                    if x>120 and x<220 and y>350 y<400:
+                        num-=1
+                    if  num> len(music_list)-1:
+                        num<0
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img
+
 
     if volume <=0:
         volume = 0
@@ -69,6 +77,8 @@ while True:
             num=0
         pygame.mixer.music.load(path+"\\"+music_list[num])
         pygame.mixer.music.play()
+        
+
     
 
     # 绘制画面