from socket import *

serverPort = 12000
serverSocket = socket(AF_INET,SOCK_STREAM)
serverSocket.bind(('',serverPort))
serverSocket.listen(1)

print ("The server is ready to receive")

while 1:
     connectionSocket, addr = serverSocket.accept()
     
     sentence = connectionSocket.recv(1024)

     capitalizedSentence = sentence.decode('utf-8').upper()

     connectionSocket.send(capitalizedSentence.encode('utf-8'))
     connectionSocket.close()