save project

my_music.py

@@ -43,7 +43,7 @@ while True:
             if event.button==1:
                 x,y=event.pos
                 if x>270 and x<370 and y>350 and y<450:
-                click += 1
+                    click += 1
                 if click % 2 == 0:
                     play_button = stop_img
                     pygame.mixer.music.unpause()
@@ -53,6 +53,10 @@ while True:
 
 
     if pygame.mixer.music.get_busy() == False:
+        num+=1
+        if num >len(filelist)-1:
+            num=0
+        pygame.mixer.music.load(filelist[num])
         pygame.mixer.music.play()
 
     # 绘制画面