Zahlen besser lesbar formatieren

function formatNumber(number)
    local formatted = tostring(number)
    local k = #formatted % 3
    if k == 0 then k = 3 end
    local result = formatted:sub(1, k)
    while k < #formatted do
        result = result .. "." .. formatted:sub(k + 1, k + 3)
        k = k + 3
    end
    return result
end

-- Testen der Funktion
local number1 = 1000
local number2 = 10000000

print("Ursprüngliche Zahlen:")
print(number1)
print(number2)

local formattedNumber1 = formatNumber(number1)
local formattedNumber2 = formatNumber(number2)

print("\nFormatierte Zahlen:")
print(formattedNumber1)
print(formattedNumber2)