Matrix Script in Python HackerRank Solution

Hello coders, In this post, you will learn how to solve Matrix Script in Python HackerRank Solution. This problem is a part of the Python Hacker Rank series.

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Matrix Script in Python - HackerRank Solution
Matrix Script in Python HackerRank Solution

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Matrix Script in Python HackerRank Solution

problem

Neo has a complex matrix script. The matrix script is a N X M grid of strings. It consists of alphanumeric characters, spaces and symbols (!,@,#,$,%,&).

Matrix Script in Python - HackerRank Solution

To decode the script, Neo needs to read each column and select only the alphanumeric characters and connect them. Neo reads the column from top to bottom and starts reading from the leftmost column.
If there are symbols or spaces between two alphanumeric characters of the decoded script, then Neo replaces them with a single space ” for better readability.
Neo feels that there is no need to use ‘if’ conditions for decoding.
Alphanumeric characters consist of: [A-Z, a-z, and 0-9].


Input Format :

The first line contains space-separated integers N (rows) and M (columns) respectively.
The next N lines contain the row elements of the matrix script.

Constraints :

  • 0 < N
  • M < 100

Note: A 0 score will be awarded for using ‘if’ conditions in your code.

Output Format :

Print the decoded matrix script.


Sample Input :

7 3
Tsi
h%x
i #
sM
$a
#t%
ir!

Sample Output :

This is Matrix#  %!

Explanation :

The decoded script is:

This$#is% Matrix#  %!

Neo replaces the symbols or spaces between two alphanumeric characters with a single space ‘ ‘ for better readability.
So, the final decoded script is:

This is Matrix#  %!



Matrix Script in Python HackerRank Solution

import math
import os
import random
import re
import sys
first_multiple_input = input().rstrip().split()
n = int(first_multiple_input[0])
m = int(first_multiple_input[1])
matrix = []
for _ in range(n):
    matrix_item = input()
    matrix.append(matrix_item)
# start
matrix = list(zip(*matrix))
sample = str()
for words in matrix:
    for char in words:
        sample += char
print(re.sub(r'(?<=\w)([^\w\d]+)(?=\w)', ' ', sample))

Disclaimer: The above Problem (Validating Postal Codes in Python – HackerRank Solution) is generated by Hackerrank but the Solution is Provided by Chase2Learn. This tutorial is only for Educational and Learning purposes. Authority if any of the queries regarding this post or website fill the following contact form thank you.

FAQ:

Does HackerRank have Python?

HackerRank’s programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, JavaScript) and span multiple computer science domains.

Where can I practice Python coding?

  • HackerRank is a great site for practice that’s also interactive.

Where can I find HackerRank solutions in Python?

in this post, you will get all the solutions to HackerRank Python Problems.

Is possible HackerRank Solution in Python?

HackerRank’s programming challenges can be solved in a variety of programming languages (including Java, C++, PHP, Python, SQL, and JavaScript) and span multiple computer science domains. When a programmer submits a solution to a programming challenge, their submission is scored on the accuracy of their output.

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