save project

my_music.py

@@ -13,13 +13,23 @@ next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')
 pygame.mixer.music.load('test.wav')
 volume = 0.2
-pygame.mixer.music.
+pygame.mixer.music.set_volume(volume)
 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-        if 
+        if  event.type == locals.KEYDOWN:
+            if event.key == locals.K_s:
+                volume += 0.1
+                if volume > 1:
+                    volume = 1
+                pygame.mixer.music.set_volume(volume)
+            
+            if event.key == locals.K_s:
+                volume -= 0.1
+                if volume < 1:
+                    volume = 1    
 
 
     if pygame.mixer.music.get_busy() == False