Rewritten TCPServer.py to better show parallels with UDPServer.py

TCPServer.py

# TCPServer.py
#
# Compare to Kurose & Ross 7th Ed. pp. 168-169 and 163-164
#

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 True:
    connectionSocket, clientAddress = serverSocket.accept()
    message = connectionSocket.recv(1024)
    modifiedMessage = message.decode().upper()
    connectionSocket.send(modifiedMessage.encode())
    connectionSocket.close()