How to Append Something to an Array in Python

Arrays are used in programming to store a collection of data. In Python, arrays are represented as lists. One of the most common operations performed on lists is appending an element to the end of the list. This tutorial will show you how to append something to an array in Python.

Step 1: Create an Array

To append an element to an array, you must first create an array. In Python, you can create an array using the following syntax:

my_list = []

This creates an empty list called my_list. You can also create a list with elements using the following syntax:

my_list = [1, 2, 3]

This creates a list called my_list with the elements 1, 2, and 3.

Step 2: Append an Element to the Array

To append an element to the end of a list, you can use the append() method. The syntax for the append() method is as follows:

my_list.append(element)

Here, element is the element you want to append to the list.

For example, let’s say you have a list called fruits that contains the elements “apple” and “banana”. You can append the element “orange” to the end of the list using the append() method like so:

fruits = ["apple", "banana"]
fruits.append("orange")
print(fruits)

This will output:

["apple", "banana", "orange"]

Step 3: Append Multiple Elements to the Array

You can also append multiple elements to a list at once using the extend() method. The syntax for the extend() method is as follows:

my_list.extend([element1, element2, ...])

Here, element1, element2, etc. are the elements you want to append to the list.

For example, let’s say you have a list called numbers that contains the elements 1, 2, and 3. You can append the elements 4, 5, and 6 to the end of the list using the extend() method like so:

numbers = [1, 2, 3]
numbers.extend([4, 5, 6])
print(numbers)

This will output:

[1, 2, 3, 4, 5, 6]

Appending an element to an array in Python is a simple operation that can be performed using the append() method. You can also append multiple elements to a list at once using the extend() method. By following the steps outlined in this tutorial, you should be able to append elements to an array in Python with ease.