login with requests (python)

import requests
import time

with requests.Session() as c:
    #Define my varibles
    url = 'http://itsupport.work.com.au/scp/login.php'
    userName = 'my.name'
    passWord = 'Pa$$word123'
    do = 'scplogin'
    submit = " "

    #Navigate to page to get token/cookie (Cookie's name = OSTSESSID  , csrftoken name = __CSRFToken__ )
    #If I use this cookie name, the login fails AND if I use __CSRFToken__ as the cookie name I get an error
    #However I think I'm suppose to be using this cookie name?
    c.get(url)
    time.sleep(3)
    csrftoken = c.cookies['OSTSESSID']

    #Debug line
    print(csrftoken)

    #Form data that I'm sending to the login.php page (note: I've put it in the exact order the data is being sent)
    login_data = {"__CSRFToken__": csrftoken, 'do': do, 'userid': userName, 'passwd': passWord "submit": sumbit,}

    #Post request to login url, with form data and header/s (Could this be where the issue lies?)
    c.post(url, data = login_data, headers = {'Referer': 'http://itsupport.work.com.au/scp/login.php', 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36'})

    #Testing if I've logged into the site, however I only get back the contents of the login page; meaning I didn't successfully login
    page = c.get('http://itsupport.work.com.au/scp/dashboard.php')
    print(page.content)
    time.sleep(40)