What are Functions in Python? Explained in 3 Minutes (Common Questions #2)
9views
1likes
03:47
T
Taught by Celeste AI - AI Coding Coach
View on YouTubeDescription
What exactly is a function in Python? In this episode, we break down functions from the ground up — built-in functions, defining your own with def, return
values, and practical helper functions.
What you will learn:
- Built-in functions like print(), len(), and type()
- How to define your own function with def
- Parameters and return values
- Practical helper functions
- The DRY principle — why functions matter
Timestamps:
0:00 - Introduction
0:20 - Explanation
0:45 - Live Demo
2:31 - Recap
2:56 - End
Source code: https://github.com/GoCelesteAI/python_common_questions
---
Common Questions in Python — A series answering the most searched Python questions with clear, focused demos.
#Python #Functions #def #PythonTutorial #PythonExplained #CommonQuestions #ReturnValues #BuiltInFunctions #LearnPython #CodingTutorial
Back to tutorialsOpen in YouTube
Duration
3:47
Published
February 16, 2026
Added to Codegiz
March 15, 2026