save project

my_music.py

@@ -19,7 +19,15 @@ while True:
     for event in pygame.event.get():
         if event.type==locals.QUTT:
             exit()
-        if event
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_UP:
+                volume+=0.1
+                if volume>1
+                    volume=1
+            if event.key==locals.K_DOWN:
+                volume-=0.1
+                if volume<0
+                    volume=0
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
     # 绘制画面