-Replicate and Enhance this echo client/Server program

from socket import *

serverName = servername

serverPort = 12000

clientSocket = socket(AF_INET, SOCK_STREAM)

clientSocket.connect((serverName,serverPort))

sentence = raw_input(Input lowercase sentence:)

clientSocket.send(sentence)

modifiedSentence = clientSocket.recv(1024)

print From Server:, modifiedSentence

clientSocket.close()