function mc_inv()
    for a=9,17 do
        local forma = "list[current_player;main;"
        local formb = ";1,1;"
        local num = a - 9
        local mod = (1/17) * num
        local x1 = mod + num
        local y1 = 4.5
        lista = forma..x1..","..y1..formb..a.."]"
        for aa=1,1 do
            local b = a + 9
            local y2 = y1  + (18/17)
            listb = forma..x1..","..y2..formb..b.."]"
            for aa=1,1 do
                local c = a + 18
                local y3 = y2 + (18/17)
                listc = forma..x1..","..y3..formb..c.."]"
                for aa=1,1 do
                    local d = a + 27
                    local y4 = y3 + (22/17)
                    listd = forma..x1..","..y4..formb..d.."]"
                    list = lista..listb..listc..listd..".."
                end
            end
        end
    end
end
function inventory.survival_inv(player)
local name = player:get_player_name()
    SURVIVAL_FORMSPEC = "invsize[9,9.5;]"..
        --"background[-0.4,-0.45;9.8,9.825;inventory_survival_inventory_bg.png]"..
        "list[detached:"..name.."_armor;armor;0,0;1,1;0]"..
        "list[detached:"..name.."_armor;armor;0,1;1,1;1]"..
        "list[detached:"..name.."_armor;armor;0,2;1,1;2]"..
        "list[detached:"..name.."_armor;armor;0,3;1,1;3]"..
        "image[1.6,0.25;2,4;player.png]"..
        "list[current_player;main;0,4.5;9,3;9]"..
        mc_inv()    -- <<< I want list from above to go there
        "list[current_player;craft;4,2;2,1;3]"..
        "list[current_player;craftpreview;7,1.5;1,1;]"
        player:get_inventory():set_width("craft", 3)
        player:get_inventory():set_size("craft", 9)
        player:get_inventory():set_width("main", 9)
        player:get_inventory():set_size("main", 36)
    player:set_inventory_formspec(SURVIVAL_FORMSPEC)
end