import requests

with requests.Session() as s:
    headers1 = {'Cookie':'wordpress_test_cookie=WP Cookie check'}
    datas={'log':'admin','pwd':'admin','wp-submit':'Log In','redirect_to':'/wordpress/wp-admin/','testcookie':'1'}
    s.post("http://ip/wordpress/wp-admin",headers=headers1,data=datas)
    re = s.get("http://ip/wordpress/wp-admin").text
    print (re)

wp_login = 'http://ip/wordpress/wp-login.php'
wp_admin = 'http://ip/wordpress/wp-admin/'
username = 'admin'
password = 'admin'

with requests.Session() as s:
    headers1 = { 'Cookie':'wordpress_test_cookie=WP Cookie check' }
    datas={
        'log':username, 'pwd':password, 'wp-submit':'Log In',
        'redirect_to':wp_admin, 'testcookie':'1'
    }
    s.post(wp_login, headers=headers1, data=datas)
    resp = s.get(wp_admin)
    print(resp.text)