user_names = []
pws = []


def create_acc():
    print("Vytvoreni uctu")
    user_names.append(input("Zadej tvuj nick: "))
    pws.append(input("Zadej heslo: "))

def login():
    print("Prihlaseni")
    nick = input("Zadej tvoje jmeno")
    pw = input("Zadej heslo")
    if nick in user_names:
        if pw == pws[user_names.index(nick)]:
            print("Jsi prihlasen uzivateli ", nick)
            return True
    else:
            print("Spatne jmeno nebo heslo")
            return False


if login() == True:
    print("Vitej v kvizove hre, zatim tu bohuzel nic neni")