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  1. or download this
    my @list_in_html =
      map_by_index [ sub { "<li>$_</li>" },
    ...
      map_by_index [ sub { "<li>$_</li>" },
        $#list => sub { qq!<li class="last">$_</li>! }, ], @list;
    
  2. or download this
    my @list_in_html = maplist(
        [
            ( sub { "<li>$_</li>" } ) x ( @list - 1 ),
    ...
    );