[TWCTF-2016: PPC] Make a Palindrome!

palindrome.py

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

# My added data
def makepal(l):
	for b in itertools.permutations(l, len(l)):
		str1 = ''.join(b)
		if str(str1) == str(str1)[::-1]:
			print b
			return b
#


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('b')

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

client_file.readline()
for case in range(0, 30):
    client_file.readline()
    words = client_file.readline().split()[2:]

# My added data
    answer = makepal(words)
# 
 
    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)