Pyramid array creation example

pyramid.lua

-- Written by Rabia Alhaffar in August/2020
local function pyramid(n)
  local result = nil
  if (n > 0) then
    result = {}
    for i = 1, n, 1 do
      result[i] = {}
      for j = 1, i, 1 do
        result[i][j] = 1
      end
    end
  else
    result = {}
  end
  return result
end