#!/usr/bin/perl
use warnings;
use strict;
use Tk;
my $mw = new MainWindow;
my %button;
foreach my $num (0..9){
$button{$num} = $mw -> Button(
-text => $num,
-background => 'grey',
-width => 5,
-height => 2,
# -command => $number=$number==0||$equals!=0?$input:$number.$in
+put,
-command => sub{
print "$num\n";
#do whatever here
}
) -> pack();
}
MainLoop;
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