How to use the steam.webauth.WebAuth function in steam

def test_http_error(self, mrs_mock):
        mm = mrs_mock.return_value = mock.MagicMock()

        mm.post.side_effect = requests.exceptions.ConnectTimeout('test')

        with self.assertRaises(wa.HTTPError):
            wa.WebAuth('a', 'b').login()

        mm.post.reset_mock()
        mm.post.side_effect = requests.exceptions.ReadTimeout('test')

        with self.assertRaises(wa.HTTPError):
            wa.WebAuth('c', 'd').login()

def user_pass_only_success(u, p):
    wa.WebAuth(u, p).login()

def user_pass_only_fail(u, p):
    try:
        wa.WebAuth(u, p).login()
    except wa.LoginIncorrect:
        pass

def test_http_error(self, mrs_mock):
        mm = mrs_mock.return_value = mock.MagicMock()

        mm.post.side_effect = requests.exceptions.ConnectTimeout('test')

        with self.assertRaises(wa.HTTPError):
            wa.WebAuth('a', 'b').login()

        mm.post.reset_mock()
        mm.post.side_effect = requests.exceptions.ReadTimeout('test')

        with self.assertRaises(wa.HTTPError):
            wa.WebAuth('c', 'd').login()

def steam_login():
    # Steam login function by sumfun4WF
    user = wa.WebAuth(email, password)
    try:
        user.login()
    except wa.CaptchaRequired:
        print("Please complete the captcha: "+user.captcha_url)
        captcha_code=input("Please input the captcha response code: ")
        user.login(captcha=captcha_code)
    except wa.EmailCodeRequired:
        email_code=input("Please input the email verification code: ")
        user.login(email_code=email_code)
    except wa.TwoFactorCodeRequired:
        tfa_code=input("Please input the 2FA code: ")
        user.login(twofactor_code=tfa_code)
    # Copy cookies to session
    s.cookies.update(user.session.cookies)
    while True:
        try:

if isinstance(exp, CaptchaRequired):
                    prompt = "Solve CAPTCHA at %s\nCAPTCHA code: " % self.captcha_url
                    captcha = _cli_input(prompt)
                else:
                    captcha = ''
            except EmailCodeRequired:
                prompt = ("Enter email code: " if not email_code else
                          "Incorrect code. Enter email code: ")
                email_code, twofactor_code = _cli_input(prompt), ''
            except TwoFactorCodeRequired:
                prompt = ("Enter 2FA code: " if not twofactor_code else
                          "Incorrect code. Enter 2FA code: ")
                email_code, twofactor_code = '', _cli_input(prompt)


class MobileWebAuth(WebAuth):
    """Identical to :class:`WebAuth`, except it authenticates as a mobile device."""
    oauth_token = None  #: holds oauth_token after successful login

    def _send_login(self, password='', captcha='', email_code='', twofactor_code=''):
        data = {
            'username': self.username,
            "password": b64encode(pkcs1v15_encrypt(self.key, password.encode('ascii'))),
            "emailauth": email_code,
            "emailsteamid": str(self.steam_id) if email_code else '',
            "twofactorcode": twofactor_code,
            "captchagid": self.captcha_gid,
            "captcha_text": captcha,
            "loginfriendlyname": "python-steam webauth",
            "rsatimestamp": self.timestamp,
            "remember_login": 'true',
            "donotcache": int(time() * 100000),

def login():
    username = input("Steam Username: ")
    steam_auth = wa.WebAuth(username)
    steam_auth.cli_login()

    save_cookies(steam_auth.session.cookies)
    return steam_auth.session.cookies