save project

my_music.py

@@ -23,7 +23,7 @@ aa=os.listdir('C:\\Users\\Administrator\\Desktop\\test')
 list_yy=[]
 list_yy=[]
 for i in aa:
 for i in aa:
     if i[-4:] =='.wav' or i[-4:] =='.ogg':
     if i[-4:] =='.wav' or i[-4:] =='.ogg':
-        aa.append(i)
+        list_yy.append(i)
 
 
 
 
 num=-1
 num=-1