save project

my_music.py

@@ -10,7 +10,7 @@ next_img = pygame.image.load('next.png')
 logo_img = pygame.image.load('logo.png')
 pygame.mixer.music.load("歌曲4.ogg")
 volume=0.2
-pygame.mixer.music.set_volume(volume)
+
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
@@ -24,7 +24,7 @@ while True:
                 volume-=0.1
                 if volume<0:
                     volume=0
-    print(volume)
+    pygame.mixer.music.set_volume(volume)
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
     screen.blit(bg_img, (0, 0))