from socket import *
serverPort = 12000
serverSocket = socket (AF_INET, SOCK_STREAM)
serverSocket.bind(('',serverPort) )
serverSocket.listen(1)
print ("El servidor esta listo para recibir")
while True:
	connectionSocket, addr = serverSocket.accept()
	sentence = connectionSocket.recv(1024).decode()
	capitalizedSentence = sentence.upper ()
	connectionSocket.send (capitalizedSentence.encode() )
	connectionSocket.close()