#!/usr/bin/perl

use strict; # https://perlmonks.org/?node_id=11115774
use warnings;
use Tk;

my $mw = MainWindow->new;
$mw->geometry( '+500+300' );

my $list = $mw->Frame->pack;
$mw->Button(-text => 'Exit', -font => 24,
  -command => sub {$mw->destroy},
  )->pack(-fill => 'x');

# FIXME - of course, change to list of your own data...
my @listdata = map { text => "Document A$_ (docx, pdf)",
  var => \$a, on => "APRESENT", off => "AABSENT" }, 1 .. 25;

my $maxrows = 10;
my $row = 1;
my $col = 1;
for my $datum ( @listdata )
  {
  $list->Checkbutton(
    -variable => $datum->{var},
    -onvalue => $datum->{on},
    -offvalue => $datum->{off},
    )->grid(-row => $row, -column => $col + 1);
  $list->Label( -text => $datum->{text}, -font => 24,
    )->grid(-row => $row, -column => $col, -sticky => 'e');
  if( ++$row > $maxrows )
    {
    $row = 1;
    $col += 2;
    }
  }

MainLoop;
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