auto save

my_music.py

@@ -19,7 +19,7 @@ my_music=[]
 path="C:\\Users\\饮水思源\\Desktop\\test"
 filelist=os.listdir(path)
 for i in filelist:
-    if filelist[-4:]=='mp3':
+    if i[-4:]=='.mp3':
         my_music.append(i)
 num=-1
 volume = 0.2