What is the array itemsize function in Python?

Overview

An array is a collection of multiple elements of the same datatype.

The itemsize function is simply used to check for the length in bytes of one array item in the internal representation.

Syntax

array.itemsize

Parameters

The itemsize function does not take in any parameters.

Return value

The itemsize function returns the length in bytes of one array item in the internal representation of the given array.

Code

Run the code below and see how the itemsize function works.

# importing the array module
import array as arr
# creating an integer data type array
x = arr.array('i', [1,2,3,4,5,6,7])
# using itemsize function
print(x.itemsize)

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