irc bot, rootme programming, Network programmation

#!/usr/bin/python3

__author__ = "nonellldd"

import socket
import sys
import time
import os
import random
import threading
import math, re, base64

class IRC:
	def __init__(self):
		# Define the socket
		print ("Create socket")
		self.irc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

	def send(self, channel, msg):
		# Transfer data
		self.irc.send(bytes("PRIVMSG " + channel + " " + msg + "\n", "UTF-8"))

	def send_private_message(self, nick, message):
		if message.startswith("#"):
			message = bytes(message[1:] + "\n", "UTF-8")
		else:
			message = bytes("PRIVMSG " + nick + " " + message + "\n", "UTF-8")
		print ("Send Message", message)
		self.irc.send(message)


	def connect(self, server, port, channel, botnick, botpass, botnickpass):
		# Connect to the server
		print("Connecting to: " + server)
		self.irc.connect((server, port))

		# Perform user authentication
		reg_user = bytes("USER " + botnick + " " + botnick +" " + botnick + " :python\n", "UTF-8")
		print ("reg_user", bytes("USER " + botnick + " " + botnick +" " + botnick + " :python\n", "UTF-8"))
		self.irc.send(reg_user)

		reg_nick = bytes("NICK " + botnick + "\n", "UTF-8")
		print("reg_nick", reg_nick)
		self.irc.send(reg_nick)

		reg_pass = bytes("NICKSERV IDENTIFY " + botnickpass + " " + botpass + "\n", "UTF-8")
		print ("reg_pass", reg_pass)
		self.irc.send(reg_pass)
		time.sleep(5)

		# join the channel
		join_channel = bytes("JOIN " + channel + "\n", "UTF-8")
		print("join_channel", join_channel)
		self.irc.send(join_channel)

	def get_response(self):
		time.sleep(1)
		# Get the response
		resp = self.irc.recv(2040).decode("UTF-8")
		print ("resp: ", resp)
		if resp.find('PING') != -1:
			pong = bytes('PONG ' + resp.split()[1]  + '\r\n', "UTF-8")
			print ("===========================")
			print ("pong: ", pong)
			print ("===========================")
			self.irc.send(pong)
		if resp.find("Candy!Candy@root-me.org PRIVMSG dd"):
			# numbers = re.findall("(\d+) / (\d+)", resp)
			# if numbers:
			# 	numbers = numbers[0]
			# 	req = math.sqrt(float(numbers[0])) * float(numbers[1])
			# 	req = round(req, 2)
			# 	self.send_private_message("candy", "!ep1 -rep " + str(req))
			s = re.findall(":Candy!Candy@root-me.org PRIVMSG dd :(\S+)", resp)
			if s:
				s= s[0]
				self.send_private_message("candy", "!ep2 -rep " + base64.b64decode(s).decode("utf-8"))
		return resp


server = "irc.root-me.org" # Provide a valid server IP/Hostname
port = 6667
channel = "#root-me_challenge"
botnick = "dd"
botnickpass = "dd"
botpass = "<%= @dd %>"
target_bot = "candy"
ircbot = IRC()
ircbot.connect(server, port, channel, botnick, botpass, botnickpass)


def send_message(ircbot):
	while 1:
		active = input("Active: ")
		message = "!ep3"
		ircbot.send_private_message(target_bot, message)


t = threading.Thread(target=send_message, args=(ircbot,))
t.start()

while True:
	text = ircbot.get_response()
	print(text)

	if "PRIVMSG" in text and channel in text and "hello" in text:
		ircbot.send(channel, "Hello!")