I'm trying to write code with these modules (HTML::TreeBuilder,
I'm having some difficulty understanding how to dissect and extract
the data that methods such as $tree->look_down('a'), return.
For instance, to get an array of all the <td> tags I would write something like
my @tags = $tree->look_down(
_tag => 'tr'
This returns an array of hashes. What methods can I use to get into
that array and the hashes and extract or operate on the items in human