import sha3
import hashlib
import requests
import BeautifulSoup
url = 'https://www.facebook.com'
myusername = "uname"
mypassword = hashlib.sha512(b"passw").hexdigest() #take SHA3 of password
payload = {'username':myusername, 'password':mypassword}
with requests.session as s:
soup = BeautifulSoup(s.get(url).content,'lxml')
p = s.post(url, data = payload, verify=True)
print(p.text)