Python is a versatile and powerful coding language that is often used for a range of purposes, from simple scripting to the construction of complex machine-learning algorithms.

One common task that might be needed when working with Python is squaring a list of numbers. This tutorial will guide you through the process of accomplishing this in Python.

Step 1: Define the List

The first thing you’ll need to do is define a list of numbers. For this purpose, you can use the list data structure in Python:

This code creates a list of integers from 1 through 5 named “numbers”.

Step 2: Use List Comprehension

Next, you’ll use Python’s list comprehension feature to square each element in the list. This is a convenient one-liner that allows you to create a new list by applying an expression to each element in an existing list:

This code takes each number ‘n’ in your ‘numbers’ list, squares it (using the ‘**’ operator), and adds the result to a new list called ‘squares’.

Step 3: Print the Result

Finally, print the ‘squares’ list to check that each element of ‘numbers’ was successfully squared:

Your output should look like this:

All these steps combined should give us the following code:

The Full Code

Conclusion

Squaring each element in a list is a simple task in Python thanks to the list comprehension feature. It provides a concise way to perform operations on a list and create a new list with the results. With the knowledge of how this powerful feature works, you can streamline your Python programming and perform more complex operations in the future.