Python Coding challenge - Day 302| What is the output of the following Python Code?

 

Explanation:

Imports the numpy library:

import numpy as np imports the numpy library, which is commonly used for numerical operations, especially working with arrays and matrices in Python.

Creates a numpy array:

arr = np.array([1, 2, 3, 4, 5]) creates a numpy array containing the elements [1, 2, 3, 4, 5]. This array is stored in the variable arr.

Calculates the mean of the array:

arr.mean() calculates the mean (average) of the elements in the array arr. The mean() function is a built-in method in numpy that computes the arithmetic mean of the array's elements.

The mean is calculated as the sum of the elements divided by the number of elements:

mean= 1+2+3+4+5/5

 =3.0

Prints the result:

print(arr.mean()) prints the calculated mean to the console. The mean value of the array [1, 2, 3, 4, 5] is 3.0, so the output will be:

Final Output:

3.0