local robot = require("robot")

return {
    forward = function(n)
        if not n then n = 1 end
        for _ = 1, n do
            while not robot.forward() do end
        end
    end,
    back = function(n)
        if not n then n = 1 end
        for _ = 1, n do
            while not robot.back() do end
        end
    end,
}