save project

my_music.py

@@ -33,7 +33,7 @@ while True:
                 m=0
             pygame.mixer.music.set_volume(m)
     if event.type==locals.MOUSEBUTTONDOWN:
-        if event.button==1
+        if event.button=1
             x,y=event.pos
             if x>270 and x<370 and y>350 and y<450
                 sb+=1