# Find the Score

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#
#   You are given a valid XML document, and you have to print its score. The score is calculated by the sum of the
#   score of each element. For any element, the score is equal to the number of attributes it has.
#
#   Input Format
#   The first line contains N, the number of lines in the XML document.
#   The next N lines follow containing the XML document.
#
#   Output Format
#   Output a single line, the integer score of the given XML document.
#
#   Sample Input
#   6
#   <feed xml:lang='en'>
#       <title>HackerRank</title>
#       <subtitle lang='en'>Programming challenges</subtitle>
#       <link rel='alternate' type='text/html' href='http://hackerrank.com/'/>
#       <updated>2013-12-25T12:00:00</updated>
#   </feed>
#
#   Sample Output
#   5
#
#   Explanation
#   The feed and subtitle tag have one attribute each - lang.
#   The title and updated tags have no attributes.
#   The link tag has three attributes - rel, type and href.
#
#   So, the total score is 1+ 1+3 = 5.
#
#   There may be any level of nesting in the XML document. To learn about XML parsing, refer here.
#   NOTE: In order to parse and generate an XML element tree, use the following code:
#   >> import xml.etree.ElementTree as etree
#   >> tree = etree.ElementTree(etree.fromstring(xml))
#
#   Here, XML is the variable containing the string.
#   Also, to find the number of keys in a dictionary, use the len function:
#   >> dicti = {'0': 'This is zero', '1': 'This is one'}
#   >> print (len(dicti))
#
#   2
#
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