We could put it directly in the formula, but using variables will allow us to change the values more easily. ... ** is also the exponent operator in Python. So x² in Python is written as x**2.

Python dataclasses can make your Python classes less verbose and more powerful at the same time. Here's an introduction to using dataclasses in your Python programs.

How to use arrays in Python To create an array in Python, we can use a type of variable called a “dictionary.” This is an associative array, meaning that it is made of value/key pairs.

Using Python dictionaries makes the most sense under the following conditions: You want to store objects and data using names, not just positions or index numbers.