文件夹及文件的树状显示

文件夹及文件的树状显示 if os.path.exists('E:\df'):

1    for filepath,dirnames,filenames in os.walk(r'E:\df'):          
2        print(filepath)
3        for filename in filenames:
4            print(os.path.join(filepath,filename))

else: messagebox.showinfo('提示','异常')