The Self-Taught Computer Scientist by Althoff Cory;

Author:Althoff, Cory; [Althoff, Cory]
Language: eng
Format: epub
Publisher: John Wiley & Sons, Incorporated
Published: 2021-09-27T00:00:00+00:00

Creating an Array

If you are programming in Python, you can use a list in most cases when you need an array. However, if you need the performance of a homogenous array, you can use Python's built-in array class. Here is how it works:

import array arr = array.array('f', (1.0, 1.5, 2.0, 2.5)) print(arr[1]) >> 1

First, you import Python's built-in array module:

import array

Then, you pass array.array two parameters. The first parameter tells Python what data type you want your array to hold. In this case, f stands for float (a data type in Python for decimal numbers), but you can also create an array with Python's other data types. The second parameter is a Python list containing the data you want to put into your array.

arr = array.array('f', (1.0, 1.5, 2.0, 2.5))

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