log in to a website using Python's Requests module doesn't work on this site but work on other site -

use following code on twitter , github work fine doesn't work on main site using for, can please tell me went wrong. did not error instead scrap login page instead of log me.

import requests session = requests.session() params = {'j_username': '**********', 'j_password': '************'} r = requests.post("https://connect.data.com/loginprocess", params) print("cookie set to:") print(r.cookies.get_dict()) print("-----------") print("going profile page...") r = requests.get("https://connect.data.com/home")  print(r.text) 

i new can't figure out went wrong, have try many answer out before asking question none seem workout site. login url /login file login been process /loginprocess why use /loginprocess loginprocess not print out cookie /login print out form site this:

<form id="command" name="loginform" action="https://connect.data.com/loginprocess" method="post">              <div>                 <div class="login-container fields float-left">                     <div class="content">                         <div class="first">                             <span class="title">login</span>                         </div>                          <div class="middle">                             <input id="j_username" name="j_username" type="email" class="text" placeholder="email" maxlength="128" tabindex="1">                          </div>                         <div class="middle">                             <input id="j_password" name="j_password" type="password" class="text" placeholder="password" autocomplete="off" tabindex="2" maxlength="128">                          </div>                          <div class="middle">                             <label for="_spring_security_remember_me" class="general-checkbox-label">                                 <input name="_spring_security_remember_me" tabindex="3" value="on" id="_spring_security_remember_me" class="checkbox margin-0px" type="checkbox">                                 <span>keep me logged in </span>                             </label>                          </div>                         <div class="last">   <button id="login_btn" type="submit" class="button-standard button-primary" tabindex="4">   <span class="button-standard-text">login</span>  </button>&nbsp;                             <a class="link" href="https://connect.data.com/forgotpassword" onclick="var x=&quot;.tl(&quot;;s_objectid=&quot;https://connect.data.com/forgotpassword_1&quot;;return this.s_oc?this.s_oc(e):true">forgot password?</a>                          </div>                     </div>                 </div>                 <div class="login-container marketing-message float-right">                     <div class="content">                         <h2>                             don't have account?                               sign - it's free!                         </h2>                         <div class="float-left">                             <img class="login-bicons" src="./data.com connect business contact directory of business contacts , company information_files/clear.cache.gif">                         </div>                         <div class="float-left margin-left-20px">                             <p>                                 <span id="pagetitle" style="color: #146791">find</span>                                  business card information &amp; b2b professionals.                              </p>                             <p>                                 <span id="pagetitle" style="color: #87c540">research</span>                                  people &amp; companies.                             </p>                             <p class="margin-top-5px">                                 <span id="pagetitle" style="color: #f37521">get</span>                                  millions of contacts.                             </p>                         </div>                         <div class="clear"></div>                     </div>                 </div>                  <div class="clear nonlogged-container-foot">                     <span class="new-to-ddc">new data.com?</span>                     <a class="sign-up" href="https://connect.data.com/registration/signup" onclick="var x=&quot;.tl(&quot;;s_objectid=&quot;https://connect.data.com/registration/signup_1&quot;;return this.s_oc?this.s_oc(e):true">sign account...</a>                 </div>             </div>         <input type="hidden" name="csrf_token" id="csrf_token" value="ce56932e08fc97bc29c5f6535b572664a66000513143584504b0ee7c66ef9659"></form>