auto save

my_music.py

@@ -17,6 +17,16 @@ while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_DOWN:
+                volume+=0.1
+                if volume<0.1
+                volume=0
+        if event.key==locals.K_DOWN:
+                volume-=0.1
+                if volume>0.1
+                volume=0
+
 volume = 0.2
 pygame.mixer.music.set_volume(volume)