save project

my_music.py

@@ -16,6 +16,20 @@ while True:
     for event in pygame.event.get():
         if event in pygame.event.get():
             exit()
+    if event.key== locals.KEYDOWN
+       if event.key== locals.k_w:
+           volume+=0.1
+        if volume > 1:
+            volume = 1
+        pygame.mixer.music.set_volume(volume)
+    if event.key == locals.K_s:
+        volume -= 0.1
+        if volume < 0 :
+            volume=0
+        pygame.mixer.music.set_volume(volume)    
+            
+        
+
 if pygame.mixer.music.get_busy()==False:
     pygame.mixer.music.play()
     # 绘制画面