table.insert

table.insert(input, value, index = table.len(input) + 1)

--Append to end of table
local t = {1, 2, 3}
table.insert(t, 4)
engine.print(table.concat(t, ", ")) --1, 2, 3, 4

--Insert at specific position
local t = {"a", "c", "d"}
table.insert(t, 2, "b")
engine.print(table.concat(t, ", ")) --a, b, c, d

--Insert at beginning
local t = {2, 3, 4}
table.insert(t, 1, 1)
engine.print(table.concat(t, ", ")) --1, 2, 3, 4

--Build array dynamically
local numbers = {}
for i = 1, 5 do
    table.insert(numbers, i * 10)
end
engine.print(table.concat(numbers, ", ")) --10, 20, 30, 40, 50

--Insert strings
local words = {"hello"}
table.insert(words, "world")
table.insert(words, "lua")
engine.print(table.concat(words, " ")) --hello world lua

--Insert at middle position
local colors = {"red", "green", "blue"}
table.insert(colors, 2, "yellow")
engine.print(table.concat(colors, ", ")) --red, yellow, green, blue

--Insert into empty table
local t = {}
table.insert(t, "first")
engine.print(t[1]) --first

--Stack operations (push)
local stack = {}
table.insert(stack, "item1")
table.insert(stack, "item2")
table.insert(stack, "item3")
engine.print(#stack) --3

--Build list from input
local names = {}
local inputs = {"Alice", "Bob", "Charlie"}
for _, name in ipairs(inputs) do
    table.insert(names, name)
end

--Insert table as element
local lists = {{1, 2}, {3, 4}}
table.insert(lists, {5, 6})
engine.print(#lists) --3