← 🌙 Lua World

🌙 Inventory Check

★★☆☆☆ · worth 100 points

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

📖 The mission

Today you unlock

Functions return answers

A function is a tiny machine: it receives inputs, works something out, then returns one answer for the tests to check.

💡 Hint ladder

Loop the table: for _, thing in ipairs(inventory) do
If thing == item, return true right away.
After the loop finishes finding nothing, return false.

🧪 Coach checks

◯ finds the key
◯ no shield here
◯ empty bag
◯ first item counts

Live coach

Getting ready

☆☆☆

💬 Loop through the table; return true the moment you find it. After the loop = not found.

function findNumber(numbers, wanted)
  for _, n in ipairs(numbers) do
    if n == wanted then
      return "found it!"
    end
  end
  return "not here"
end

print(findNumber({3, 7, 9}, 7))   -- found it!
print(findNumber({3, 7, 9}, 5))   -- not here

📟 It printed:

📟 Output