import mechanize
import string
import random

a = mechanize.Browser()
a.set_handle_robots(False)
a.addheaders = [("User-agent","Mozilla/5.0")]
site_name = input("Enter the site name here:")
gitbot = a.open(site_name)
a.select_form(nr=2)
user_name = input("Enter username:")
user_name = a["user[login]"]
email = input("enter email:")
email = a["user[email]"]
password = input("enter password here:")
password = a["user[password]"]
sign_up = a.submit()