Python Functions Tutorial Online Training

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UPDATED: June 1, 2022

Intermediate

This Python Functions Tutorial training covers how to write functions in Python, special blocks of code that only run at certain times throughout your program. You’ll learn how to work with Python functions, from understanding parameters and arguments to writing code blocks that execute only when called.

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What you'll learn

Understanding functions in programming generally and in Python specifically
Writing blocks of code in Python that only run when they get called
Understanding the small differences between parameters and arguments
Passing arguments in the right order

FAQs

What are functions in Python?

Python is a computer programming language made popular thanks to its simplicity and versatility. Like any programming language, Python uses blocks of reusable code to perform specific tasks – these are called functions. Functions are parts of a larger body of code that take arguments as inputs, process them, and return values as outputs. Those outputs may get processed by additional functions or used as end results for the user.

Is Python a useful language to learn?

Yes, Python is a very useful language to learn – whether you work as a computer programmer, web developer, data analyst, or just about anything else. Python's versatility is what makes it so useful to learn – it's used in tons of different contexts. Python is prominently used in web development, data analysis, and even artificial intelligence. It has a huge ecosystem of libraries and frameworks, and it's wildly popular and well-supported.

What are the essential components of a function in Python?

A function in Python has three essential components, those are a name, parameters (which are actually optional), and a body. A Python function's name identifies the function and gets referenced in code to use it. Python parameters are input variables that are available to the function for processing. The body of a Python function is the statements that define its functionality. Functions can also return a value and end its execution.

Who should take this tutorial course on Python functions?

Professionals from many different fields should take the time to learn how Python functions work. Software developers, data analysts and research professionals top the long list of who could benefit from learning the programming language. Python is great for modular programming and code organization, it's preferred for efficient data processing and analysis, and it emphasizes reusable code components. Professionals in many different fields, including research, AI/ML and automation thrive with Python.

Is it hard to learn Python?

No, it's not considered very hard to learn Python, especially when you have a tutorial course that can orient you on the syntax, readability and versatility of the language and its functions. Beginners like the simple syntax of the Python programming language, but seasoned programmers find its versatility and depth to be its best attribute. Python's advanced concepts can pose a challenge for beginners, but with proper guidance it's a very learnable language.

Who is this for?

This Python Functions Tutorial training is considered foundational-level open-source training, which means it was designed for software developers. This programming skills course is valuable for new IT professionals with at least a year of experience with python best practices and experienced software developers looking to validate their open-source skills.

What our learners say

This is the gold standard of video training. You always hear in grade school or college that the best teachers are the ones who are passionate in their field. The CBT Nuggets team are extremely passionate and get you motivated for the material.
Michael J. | IS&T Major Incident Manager
The more I put into learning, the more skills I’m going to have — and the better I’m going to be technically.
Knox Hutchinson | CBT Nuggets trainer since 2018
Very easy and fun way to learn. Keith Barker is my favorite, he'll throw in jokes here and there and it makes me remember certain study points. I highly recommend this app and purchasing subscriptions, it is truly worth the money.
Joshua E. | IT Systems Administrator

Study plan

Download the free Python Functions Tutorial study plan to complete this course in about 14 hours.

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