25 May 2022 Kateryna Koidan How Do You Write a Main Function in Python? If you are just starting with Python, you might not be aware yet of the best practice of defining functions. In this guide, I’ll explain how including a main() function, though not required in Python, can structure your programs in a logical way and ensure that your functions are executed only when expected. The Python ecosystem is very rich in modules, packages, libraries, and frameworks. It is sometimes challenging for beginners to understand the difference between these concepts, but basically they’re all forms of organizing Python code. Read more