Eye and Identity in Python HackerRank Solution

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

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Eye and Identity in Python - HackerRank Solution
Eye and Identity in Python – HackerRank Solution

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Eye and Identity in Python HackerRank Solution

Problem

identity :
The identity tool returns an identity array. An identity array is a square matrix with all the main diagonal elements as 1 and the rest as 0. The default type of elements is float. 

import numpy
print numpy.identity(3) #3 is for  dimension 3 X 3
#Output
[[ 1.  0.  0.]
 [ 0.  1.  0.]
 [ 0.  0.  1.]]

eye :
The eye tool returns a 2-D array with 1’s as the diagonal and 0’s elsewhere. The diagonal can be main, upper or lower depending on the optional parameter K. A positive K is for the upper diagonal, a negative K is for the lower, and a 0 K (default) is for the main diagonal.

import numpy
print numpy.eye(8, 7, k = 1)    # 8 X 7 Dimensional array with first upper diagonal 1.
#Output
[[ 0.  1.  0.  0.  0.  0.  0.]
 [ 0.  0.  1.  0.  0.  0.  0.]
 [ 0.  0.  0.  1.  0.  0.  0.]
 [ 0.  0.  0.  0.  1.  0.  0.]
 [ 0.  0.  0.  0.  0.  1.  0.]
 [ 0.  0.  0.  0.  0.  0.  1.]
 [ 0.  0.  0.  0.  0.  0.  0.]
 [ 0.  0.  0.  0.  0.  0.  0.]]
print numpy.eye(8, 7, k = -2)   # 8 X 7 Dimensional array with second lower diagonal 1.

Task :

Your task is to print an array of size N*M with its main diagonal elements as 1’s and 0’s everywhere else.


Input Format :

A single line containing the space separated values of N and M.
N denotes the rows.M denotes the columns. 

Output Format :

Print the desired N*M array.


Sample Input :

3 3

Sample Output :

[[ 1.  0.  0.]
 [ 0.  1.  0.]
 [ 0.  0.  1.]]



Eye and Identity in Python HackerRank Solution

import numpy
numpy.set_printoptions(sign=' ')
print(numpy.eye(*map(int, input().split())))

Disclaimer: The above Problem (Eye and Identity 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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