Global Vs Local Variables in Python

Published: 30 March 2026
on channel: Daniel Possible Kwabi

You've written the same calculation three times. You've copied and pasted code blocks until your file is a nightmare. You know there has to be a better way.

There is. It's called functions.

This is not a 5-minute overview. This is the complete, start-to-finish guide to Python functions—the kind of deep dive I wish I had when I was starting. By the end of this 25-minute lesson, you won't just understand functions. You'll reach for them instinctively every time you see repetition.

📂 THE PYTHON TUTORIALFULL COURSE:

This video is part of my complete Python course. We don't just learn syntax—we build habits that matter.

🔍 WHAT YOU'LL LEARN (The Full Curriculum):

Part 1: The "Why"

Why functions exist (and why you've been craving them)

The problem with repeated code (demonstrated live)

Part 2: Your First Function

The def keyword explained

Function names that don't suck

Running your first function

Part 3: Parameters and Arguments

Positional vs. keyword arguments

Default parameters (and when to use them)

The *args and **kwargs mystery—solved

Part 4: The Return Statement

What return actually does

Functions that return vs. functions that just print

Returning multiple values (yes, you can)

Part 5: Scope

Local vs. global variables

The global keyword (and why to avoid it)

Common scope mistakes beginners make

THE GOLDEN RULE OF FUNCTIONS:

A function should do one thing and do it well.

If your function is doing five things, it's not a function—it's a monster. We'll show you how to slay it.

#python #pythonfunctions #learnpython #pythonbeginner #codingtutorial #programming #pythontutorial #functions #cleancode #pythonbasics #100daysofcode #techtok #PythonCourse #greenflagcode

On this page of the site you can watch the video online Global Vs Local Variables in Python with a duration of hours minute second in good quality, which was uploaded by the user Daniel Possible Kwabi 30 March 2026, share the link with friends and acquaintances, this video has already been watched 40 times on youtube and it was liked by like viewers. Enjoy your viewing!