save project

my_music.py

@@ -23,7 +23,7 @@ while True:
             if volume>1:
             if volume>1:
                 volume=1
                 volume=1
         elif event.type==locals.K_s:
         elif event.type==locals.K_s:
-            volume_=0.1
+            volume-=0.1
             pygame.mixer.music.set_volume(volume)
             pygame.mixer.music.set_volume(volume)
             if volume<0:
             if volume<0:
                 volume=0
                 volume=0