save project

my_music.py

@@ -18,7 +18,11 @@ while True:
         if event.type==locals.QUIT:
         if event.type==locals.QUIT:
             exit()
             exit()
         if event.type==K_UP:
         if event.type==K_UP:
-            
+            volume+=0.1
+            pygame.mixer.music.set_volume(volume)
+        elif event.type==K_DOWN:
+            volume_=0.1
+            pygame.mixer.music.set_volume(volume)
     if pygame.mixer.music.get_busy()==False:
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
         pygame.mixer.music.play()
     # 绘制画面
     # 绘制画面