hpricot：An Hpricot Showcase：Hpricot Challenge：#containers

everyday Ruby 
>> require "hpricot"
=> true
>> doc = Hpricot('<p>foo1</p><p>foo2<a href="http://www.foo3.org/">foo3</a></p>')
=> #<Hpricot::Doc {elem <p> "foo1" </p>} {elem <p> "foo2" {elem <a href="http://www.foo3.org/"> "foo3" </a>} </p>}>
>> doc.containers
=> [{elem <p> "foo1" </p>}, {elem <p> "foo2" {elem <a href="http://www.foo3.org/"> "foo3" </a>} </p>}]