import paramiko

username = "xxxx"
password = "yyyy"

f = open("C:\UsersDesktop\deneme.txt")

for line in f:
  ip_address = line.strip()
  ssh_client = paramiko.SSHClient()
  ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
  ssh_client.connect(hostname=ip_address, username=username, password=password)

f.close()

print ("Successfull", ip_address)

remote_connection = ssh_client.invoke_shell()

remote_connection.send("conf tn")