save project

my_music.py

@@ -18,18 +18,17 @@ while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
-        if event.type==locals.KEYDOWN：
+        if event.type==locals.KEYDOWN:
             if event.key==locals.K_w:
                 volume+=0.1
-                pygame.mixer.music.set_volume(volume)
                 if volume>1:
                     volume=1
+                pygame.mixer.music.set_volume(volume)
             if event.key==locals.K_s:
                 volume-=0.1
-                pygame.mixer.music.set_volume(volume)
                 if volume<0:
                     volume=0
-    print(volume)
+                pygame.mixer.music.set_volume(volume)
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
     # 绘制画面