架构第十一周作业

import hashlib
def checkPW(user_id, pw_unencode, pw_encode):
    if user_id is None or pw_unencode is None or pw_encode is None:
        return False
    data = pw_unencode + user_id
    out = hashlib.md5(data.encode()).hexdigest()
    if out == pw_encode:
        return True
    else :
        return False