import getpass

import telnetlib

HOST = "<your local ip>" # Ip address of the router

user = input("Enter your telnet username: ")

password = getpass.getpass()

tn = telnetlib.Telnet(HOST)

tn.read_until(b"Username: ")

tn.write(user.encode('ascii') + b"\n")

if password:

tn.read_until(b"Password: ")

tn.write(password.encode('ascii') + b"\n")

tn.write(b"enable\n")

tn.write(b"cisco\n")

tn.write(b"conf t\n")

tn.write(b"int loop 0\n")

tn.write(b"ip address 1.1.1.1 255.255.255.255\n")

tn.write(b"int loop 1\n")

tn.write(b"ip address 2.2.2.2 255.255.255.255\n")

tn.write(b"router ospf 1\n")

tn.write(b"network 0.0.0.0 255.255.255.255 area 0\n")

tn.write(b"end\n")

tn.write(b"exit\n")

print(tn.read_all().decode('ascii'))

# check

# sh ip ospf int brief