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    Standard ruby library for XML parsing

    require 'rexml/document' include REXML

    Enter your code here. Read input from STDIN. Print output to STDOUT

    xmlText = ""

    Read the input XML Fragment

    while line = gets() xmlText += line end

    doc = Document.new xmlText

    XPath Selector for listing the format of the movies with popularity<8, in the same order as which they occur in the given XML.

    Fill in the blanks to complete the required XPath selector query

    doc.elements.each("collection/movie[popularity < 8]/format") do |element| puts element.text end