python相关练习

一、

import os
from os import path
def aa(url):
    os.chdir(url)
    bb = os.listdir()
    print(bb)
    for f in bb:
        if path.isfile(f):
            print(path.abspath(f))
        elif path.isdir(f):
            aa(f)
        else:
            print("?")
            pass
aa("D:\雷神")

二、

import hashlib
def md5_pwd(pwd):
    salt = "test_salt_123"
    return hashlib.md5((pwd + salt).encode("utf-8")).hexdigest()
print(md5_pwd("123445"))

三、