save project

my_music.py

@@ -16,7 +16,16 @@ while True:
     for event in pygame.event.get():
         if event in pygame.event.get():
             exit()
-
+        if event.type == locals .KEYDOWN:
+            volume += 0.1
+            if volume>1 :
+                volume=1
+            pygame.mixer.music.get_volume(volume)
+            if event.type == locals .KEYDOWN:
+            volume -= 0.1
+            if volume<1 :
+                volume=1
+            pygame.mixer.music.get_volume(volume)
     if pygame.mixer.music.get_busy() == False:
         pygame.mixer.music.play()
     # 绘制画面