Beginner

What Are Variables?

If you are brand new to coding, the term variables might not immediately register. It’s important to understand what a variable is, as most coding languages do use them.

So What Are Variables?

Variables are containers that store values, such as:

Numbers:

• Integers (3)
• Float (3.0)
• String (“3”)

Text:

• Strings are plain text and are wrapped in parenthesis to tell Python to interpret the text as text only. “For example, this would be a string”

Boolean:

Your First Bit of Code

Everyone starts with the first program that was ever ran on a computer with a visual interface:

Hello, World!

The purpose of the program is to tell the Python interperter to show “Hello World” on the screen.

Go to your terminal and type the following to check for Python:

python3 --version

If you get an error, be sure to install it. On MacOS, I recommend HomeBrew, but you can use your package installer of choice. For HomeBrew, do the following: