Print files recursively in python

import os

""" Print files recursively in a tree"""
path_dir = raw_input("Enter the directory path: ")
for root, subdirs, files in os.walk(path_dir):
    level=" "*len(root.split("\\"))
    print "%s|_ %s" %(level,root)
    if subdirs:
        pass
    if files:
        for file in files:
            print "%s|___ %s" %(level, file)
    else:
        pass

Output:

C:\Program Files (x86)>C:\Python27\python.exe D:/Deepti/Work/Python/practice/recursive_dir.py

Enter the directory path: D:\Deepti\Work\Python\practice\Dir

      |_ D:\Deepti\Work\Python\practice\Dir

       |_ D:\Deepti\Work\Python\practice\Dir\dir1

       |___ text11.txt

       |___ text12.txt

        |_ D:\Deepti\Work\Python\practice\Dir\dir1\dir11

        |___ text111.txt

        |___ text112.txt

        |_ D:\Deepti\Work\Python\practice\Dir\dir1\dir12

        |___ fiel122.txt