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Introduction to Functions in Python
4.8(1,311)468k studentsBEGINNEREnglish
Korshub's take
Editor's Take
Writing reusable, well-structured functions is a key step toward writing modular Python code. This course moves beyond basic syntax to cover function signatures, variable scoping, error management, and anonymous functions through real-world data analysis tasks.
Who It's For
Suitable for beginner Python programmers looking to elevate their coding style by crafting modular custom functions.
Key Takeaways
- Custom Function Creation: Define functions with multiple parameters, return values, default arguments, and variable-length arguments.
- Scope & Lambda Expressions: Master local vs. global variable scoping and construct concise lambda functions.
- Error Handling & Practice: Implement robust exception handling and apply function-writing techniques to analyze Twitter datasets.
- CPE Credits: Complete the course assessment with at least 70% accuracy to earn CPE credits.
About this course
It's time to push forward and develop your Python chops even further. Python has tons of fantastic functions and a module ecosystem. However, as a data professional or developer, you'll constantly need to write your own functions to solve problems that are dictated by your data. You will learn the art of function writing in this first course. You'll come out of this course being able to write your very own custom functions, complete with multiple parameters and multiple return values, along with default arguments and variable-length arguments. You'll gain insight into scoping in Python, be able to write lambda functions and handle errors in your function writing practice. You'll wrap up each chapter by using your new skills to write functions that analyze Twitter data.
The videos contain live transcripts you can reveal by clicking "Show transcript" at the bottom left of the videos.
The course glossary can be found on the right in the resources section.
To obtain CPE credits you need to complete the course and reach a score of 70% on the qualified assessment. You can navigate to the assessment by clicking on the CPE credits callout on the right.
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