Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language Python. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.
In this post, you will find the solution for XML 1 Find the Score in Python-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.
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Introduction To Python
Python is a widely-used, interpreted, object-oriented, and high-level programming language with dynamic semantics, used for general-purpose programming. It was created by Guido van Rossum, and first released on February 20, 1991.
Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. It is also used to create various machine learning algorithm, and helps in Artificial Intelligence. Python is a general purpose language, meaning it can be used to create a variety of different programs and isn’t specialized for any specific problems. This versatility, along with its beginner-friendliness, has made it one of the most-used programming languages today. A survey conducted by industry analyst firm RedMonk found that it was the most popular programming language among developers in 2020.
Link for the Problem – XML 1 – Find the Score in Python – HackerRank Solution
XML 1 – Find the Score in Python – HackerRank Solution
Problem:
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 , the number of lines in the XML document.
The next 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 .
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
XML 1 Find the Score in Python – HackerRank Solution
import sys
import xml.etree.ElementTree as etree
def get_attr_number(node):
# your code goes here
# XML 1 - Find the Score in Python - Hacker Rank Solution START
count = 0
for tag in node:
count = count + get_attr_number(tag)
return count + len(node.attrib)
# XML 1 - Find the Score in Python - Hacker Rank Solution END
if __name__ == '__main__':
sys.stdin.readline()
xml = sys.stdin.read()
tree = etree.ElementTree(etree.fromstring(xml))
root = tree.getroot()
print(get_attr_number(root))
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