import requests

with requests.Session() as c:
    url = 'https://servicedesknew.ascorp.com/CAisd/pdmweb.exe'
    username = 'salmansa'
    password = '********'
    c.get(url)
    csrftoken = c.cookies['crfstoken']
    login_data = dict(csrfmiddlewaretoken=csrftoken, USERNAME=username,PIN=password ,next='/')
    c.post(url,data=login_data, headers={"Referer" : "https://servicedesknew.ascorp.com/CAisd/pdmweb.exe"})
    page = c.get('https://servicedesknew.ascorp.com/CAisd/pdmweb.exe')
    print(page.content)


When I run this code I get error as below.

C:Python34python.exe C:/Users/salmansa/PycharmProjects/untitled1/test2.py
usage: test2.py [-h] username password
test2.py: error: the following arguments are required: username, password

Process finished with exit code 2