← 🌙 Lua World

🌙 Longest Username

★★★☆☆ · worth 150 points

You can practise without a player, but pick a player to score points!

📖 The mission

Today you unlock

Loops inspect each item

Many levels use a loop: start with a simple value, visit each item, update the answer, then return it at the end.

💡 Hint ladder

#name gives the length of a string.
Keep a "best so far"; replace it only when a name is strictly longer.

🧪 Coach checks

◯ finds Alexander
◯ single name
◯ tie keeps first
◯ longest is last

Live coach

Getting ready

☆☆☆

💬 #word measures a string. Keep a "best so far" and replace it when beaten.

print(#"Zoe")        -- 3
print(#"Alexander")  -- 9

function biggestNumber(numbers)
  local best = numbers[1]
  for _, n in ipairs(numbers) do
    if n > best then
      best = n
    end
  end
  return best
end

print(biggestNumber({3, 9, 4}))  -- 9

📟 It printed:

📟 Output