//Client
import os
clear = lambda: os.system('cls')

def login(s):
    flag=0
    user = input("Username:")
    password = input("Password:")
    s.send(user.encode())
    s.send(password.encode())
    if(s.recv((Buffer_size)).decode()=='0'):
        print("Login errado")
        return(None,0)
    else:
        print("Login correto")
        return(user,1)

def client():
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    port = 9000
    host = 'localhost'
    dest = (host, port)
    sock.connect(dest)  # connect socket to server
    print("Cliente conectado com o servidor")
    a=0
    while(not a):
        user,a=login(sock)
    print("Bem vindo ", user)
    sock.close()