save project

my_music.py

@@ -17,6 +17,7 @@ while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+    
 volume = 0.2
 pygame.mixer.music.set_volume(volume)
 
@@ -34,7 +35,7 @@ while True:
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
                 volume -= 0.1
-                if volume < 0 <or volume==0:
+                if volume < 0 < or volume==0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
         if event.type == locals.MOUSEBUTTONDOWN: