栈结构遍历

import os
def alldir(path):
    stack=[]
    stack.append(path)
    while len(stack)!=0:
        dirpath=stack.pop()
        filelist=os.listdir(dirpath)
        for filename in filelist:
            fileabs=os.path.join(dirpath,filename)
            if os.path.isdir(fileabs):
                stack.append(fileabs)
                print('目录:'+filename)
            else:
                print('文件：'+filename)
alldir(r'C:\Program Files (x86)')