Client-guessing

import socket
import struct
import random
import time

HOST = "192.168.43.238"
PORT = 19999

def readInt(sock):
    data = sock.recv(4)
    data = struct.unpack("!i", data)[0]
    return data

def sendInt(sock, toSend):
    sock.send(struct.pack("!i", toSend))

def sendChar(sock, toSend):
    sock.send(struct.pack("!c", toSend.encode('ascii')))

def readChar(sock):
    data = sock.recv(1)
    data = struct.unpack("!c", data)[0].decode('ascii')
    return data

def sendIntArray(sock, toSend):
    sendInt(sock, len(toSend))
    for value in toSend:
        sendInt(sock, value)

def sendCharArray(sock, toSend):
    sendInt(sock, len(toSend))
    for value in toSend:
        sendChar(sock, value)

def readIntArray(sock):
    buff = []
    length = readInt(sock)
    for i in range(length):
        buff.append(readInt(sock))
    return buff

def readCharArray(sock):
    buff = ""
    length = readInt(sock)
    for i in range(length):
        buff+=readChar(sock)
    return buff


with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
    sock.connect((HOST, PORT))

    mins = 0
    tops = 1000

    while True:
        guess = random.randint(mins, tops)
        time.sleep(0.1)
        print(guess)
        sendInt(sock, guess)
        answer = readCharArray(sock)
        if answer == "Lower":
            tops = guess
        elif answer == "Higher":
            mins = guess
        else:
            print(answer)
            break