Tokyo Westerns / MMA CTF 2nd 2016 [Warmup][PPC][20+30pts]Make a Palindrome!

palindrome.py

# -*- coding:utf-8 -*-
# Server connection example file for Python 2
import socket
import sys
import itertools

# From http://stackoverflow.com/questions/9952753/single-word-palindrome-checker-true-or-false
def is_palindrome(s):
    return s == s[::-1]

host = 'ppc1.chal.ctf.westerns.tokyo'
if len(sys.argv) > 1:
    host = sys.argv[1]
port = 31111
if len(sys.argv) > 2:
    host = int(sys.argv[2])

client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.connect((host, port))

client_file = client.makefile('rw')

while client_file.readline().strip() != "Let's play!":
    pass

client_file.readline().strip()
for case in range(0, 30):
    print(client_file.readline().strip())
    words = client_file.readline().split()[2:]
    # words: input
    # answer: answer
    ##  Please write some code here
    print(words)
    for i in list(itertools.permutations(words)):
        if is_palindrome(''.join(i)) == True:
            answer=i
            break
    print(answer)
    #
    client_file.write(' '.join(answer) + "\n")
    client_file.flush()
    ret = client_file.readline()[8:-1]
    print(ret)
    if 'Wrong Answer' in ret:
        print(client_file.readline())
        sys.exit(1)
    print('\n')