如何使用 python 实现分层树?

How do I implemet an Hierarchical Tree using python?

我正在做一个项目,需要 return 树中所有叶子(文件)的列表。我不知道如何开始,我需要一些帮助:)

我需要创建一个程序,return当前文件夹中的所有文件和文件夹,运行一个进程(my_program.py),结果应该包含根文件夹,文件、子文件夹和 subfolders.files 等......

import os
##Provide value of a path in filepath variable
filepath="C:\Users\poonamr\Desktop"
for path, dirs, files in os.walk(os.path.abspath(filepath)):
    print path
    if len(dirs)==0:
        print('No directories available in "' + path + '"')
    else:
        print dirs
    if len(files)==0:
        print('No files available in "' + dirs + '"') 
    else:
        print files
    print "\n"
import os

def FileTree(Original_Path):
    dirlist=[]
    filelist=[]
    for dirnm in os.listdir(Original_Path):
        if os.path.isdir(Original_Path + "\" + dirnm):
            dirlist.append(dirnm)
        else:
             filelist.append(dirnm)
    print "Folder    : " , Original_Path
    print "SubFolder : " , dirlist
    print "Files     : " , filelist
    print "\n\n"
    for dirSub in dirlist:
        FileTree(Original_Path+ "\" + dirSub + "\")


##Path specification    
Original_Path="C:\Users\poonamr\Desktop\Python Programs"
FileTree(Original_Path)