Lua - check login

local function inLogin(login, nick)
    local check_login = 0
    for _, v in ipairs(login) do
        if v == nick then
            check_login = check_login + 1
        end
    end
    if check_login > 0 then
        return true
    else
        return false
    end
end


--------------------------------------------
local login ={"teste", "teste2"}


print(inLogin(login, 'teste'))
print(inLogin(login, 'outro_login'))

if inLogin(login, "teste") then
    print("Login Valido")
else
    print("Login Invalido")
end


if inLogin(login, "outro_login") then
    print("Login Valido")
else
    print("Login Invalido")
end