XML 2 – Find the Maximum Depth in Python | HackerRank Programming Solutions | HackerRank Python Solutions

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Link for the Problem – XML 2 – Find the Maximum Depth in Python – HackerRank Solution

XML 2 – Find the Maximum Depth in Python – HackerRank Solution

Problem:

You are given a valid XML document, and you have to print the maximum level of nesting in it. Take the depth of the root as .

Input Format

The first line contains , the number of lines in the XML document.
The next  lines follow containing the XML document.

Output Format

Output a single line, the integer value of the maximum level of nesting in the 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

1

Explanation

Here, the root is a feed tag, which has depth of .
The tags title, subtitle, link and updated all have a depth of .

Thus, the maximum depth is .

XML 2 – Find the Maximum Depth in Python – HackerRank Solution

import xml.etree.ElementTree as etree

maxdepth = 0
def depth(elem, level):
    global maxdepth
    # your code goes here
    # XML2 - Find the Maximum Depth in Python - Hacker Rank Solution START
    if (level == maxdepth):
        maxdepth += 1
    for child in elem:
        depth(child, level + 1)
    # XML2 - Find the Maximum Depth in Python - Hacker Rank Solution END

if __name__ == '__main__':
    n = int(input())
    xml = ""
    for i in range(n):
        xml =  xml + input() + "\n"
    tree = etree.ElementTree(etree.fromstring(xml))
    depth(tree.getroot(), -1)
    print(maxdepth)