save project

my_music.py

@@ -27,14 +27,16 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_UP:
+                print("音量增加："+str(volume))
                 volume += 0.1
-                print("音量增加："+volume)
-                if volume > 1 or volume==1
+                
+                if volume > 1 or volume==1:
                     volume = 1
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
+                print("音量减小："+str(volume))
                 volume -= 0.1
-                print("音量减小："+volume)
+                
                 if volume < 0 or volume==0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)