Skip to content
Programmingoneonone
Programmingoneonone
  • Home
  • CS Subjects
    • Internet of Things (IoT)
    • Digital Communication
    • Human Values
  • Programming Tutorials
    • C Programming
    • Data structures and Algorithms
    • 100+ Java Programs
    • 100+ C Programs
  • HackerRank Solutions
    • HackerRank Algorithms Solutions
    • HackerRank C problems solutions
    • HackerRank C++ problems solutions
    • HackerRank Java problems solutions
    • HackerRank Python problems solutions
Programmingoneonone

HackerRank Mean, Var, and Std solution in python

YASH PAL, 31 July 2024

In this Mean, Var, and Std problem You are given a 2-D array of size N X M. Your task is to find:

  • The mean along axis 1
  • The var along axis 0
  • The std along axis None
HackerRank Mean, Var, and Std solution in python

Problem solution in Python 2 programming.

import numpy
l=map(int,raw_input().split())
m=[]
for i in range(l[0]):
    m.append(map(int,raw_input().split()))
m=numpy.array(m)
print numpy.mean(m,axis=1)
print numpy.var(m,axis=0)
print numpy.std(m,axis=None)

Foundation course by prepbytes

Problem solution in Python 3 programming.

import numpy as np
n, m = map(int, input().split())
k = np.array([input().split() for _ in range(n)],dtype = int)
np.set_printoptions(legacy='1.13')
print(np.mean(k,axis=1), np.var(k,axis=0), np.std(k), sep='n')

Problem solution in pypy programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT
import numpy
n, m = map(int, raw_input().strip().split())
arr = numpy.array([raw_input().split() for _ in range(n)], dtype=int).reshape(n, m)

print numpy.mean(arr, axis=1)
print numpy.var(arr, axis=0)
print numpy.std(arr)

Problem solution in pypy3 programming.

# Enter your code here. Read input from STDIN. Print output to STDOUT
import numpy as np
n,m=map(int,input().split())
a = np.array([input().split() for _ in range(n)],dtype=np.float)
print(np.mean(a,axis=1))
print(np.var(a,axis=0))
print(np.std(a,axis=None))

coding problems solutions Python Solutions

Post navigation

Previous post
Next post

Pages

  • About US
  • Contact US
  • Privacy Policy

Programing Practice

  • C Programs
  • java Programs

HackerRank Solutions

  • C
  • C++
  • Java
  • Python
  • Algorithm

Other

  • Leetcode Solutions
  • Interview Preparation

Programming Tutorials

  • DSA
  • C

CS Subjects

  • Digital Communication
  • Human Values
  • Internet Of Things
  • YouTube
  • LinkedIn
  • Facebook
  • Pinterest
  • Instagram
©2025 Programmingoneonone | WordPress Theme by SuperbThemes