<programming_languages>
  <language oop='yes'>
    <name>
      Ruby
    </name>
    <creator>
      Yukihiro Matsumoto
    </creator>
  </language>
  <language oop='yes'>
    <name>
      Python
    </name>
    <creator>
      Guido van Rossum
    </creator>
  </language>
</programming_languages>
