-- Homework 23, problem 2 -- solution.

local inventory = {
    sword = 3.5,
    shield = 5.0,
    potion = 0.2,
    map = 0.1,
    coins = 0.05,
}

local total = 0
for _, weight in pairs(inventory) do
    total = total + weight
end

print(string.format("Total weight: %.2f", total))