auto save

my_music.py

+import pygame
+from pygame import locals
+pygame.init()
+screen = pygame.display.set_mode((640,480))
+bg_img=pygame.image.load('background.png')
+play_img=pygame.image.load('play.png')
+stop_img=pygame.image.load('stop.png')
+last_img=pygame.image.load('last.png')
+next_img=pygame.image.load('next.png')
+logo_img=pygame.image.load('logo.png')
+pygame.mixer.music.load('歌曲3.wav')
+pygame.mixer.music.play()
+f=0.1
+pygame.mixer.music.set_volume(f)
+j=True
+b=stop_img
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_UP:
+                f += 0.1
+                pygame.mixer.music.set_volume(f)
+            if event.key==locals.K_DOWN:
+                f -= 0.1
+                pygame.mixer.music.set_volume(f) 
+        if 
+    
+    screen.blit(bg_img,(0,0))
+    screen.blit(play_img,(270,330))
+    screen.blit(logo_img,(170,60))
+    screen.blit(last_img,(120,350))
+    screen.blit(next_img,(420,350))
+
+    pygame.display.update()