sub Populate
    {
      ...
    }

##</code><code>##

  my $entry = $frame -> Entry(
                               -textvariable => $tv, # NOTE
                             ) -> pack(-fill => 'x');

##</code><code>##

  GUIask (
           -textvariable => \$input,
         )

##</code><code>##

  sub Populate
              {

              }

##</code><code>##

  my $label = $frame -> Label (
                                -fg => 'blue',
                                -font => 30
                              ) -> pack(-fill => 'x'  );

##</code><code>##

  Entry(
         -textvariable => $tv, 
       ) -> pack(-fill => 'x');