save project

my_music.py

@@ -26,12 +26,22 @@ while True:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_UP:
                 volume+= 0.1
+                if volume>1:
+                    volume=1
                 pygame.mixer.music.set_volume(volume)
             if event.key == locals.K_DOWN:
                 volume-=0.1
+                if volume<0:
+                    volume=0
                 pygame.mixer.music.set_volume(volume)
         if event.type == locals.MOUSEBUTTONDOWN:
-            #S
+            click+=1
+            if click % 2==0：
+                play_button=stop_img
+                pygame.mixer.music.unpause()
+            else:
+                play_button=play_img
+                pygame.mixer.music.pause()
 
     #
     if pygame.mixer.music.get_busy() == False: