In this step-by-step tutorial, you'll learn how Python main functions are used and some best practices to organize your code so it can be executed as a script and imported from another module.

Aug 12, 2024 · What is Python main function? Why use def main() function and Python main method with example in this tutorial.

Aug 9, 2024 · # Python program to demonstrate # main() function print ("Hello") # Defining main function def main (): print ("hey there") # Using the special variable # __name__ if __name__ == "__main__": main ()

Feb 16, 2025 · Let’s look at how to define the Python main function in a basic program. Python_main_function.py. When a Python program is executed the Python interpreter begins executing code within it. It also sets a few implicit variable values including __name__, which is set to __main__.

May 25, 2022 · 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.

Apr 1, 2025 · What is Python Main function - There is a special function in Python that helps us to invoke the functions automatically by operating the system during run-time or when the program is executed, and this is what we call as the main function.

In this article, we will explore the concept of the Python main function and its practical applications. We will also provide an example to illustrate the concept in detail. The “main function” in Python is a designated part of a module or a …

We use the main () function in Python in the same format as other declared functions. To use the main () function, check the condition stating __name__ == "__main__". It must pass the main function in the conditional if statement. The code within the …

Sep 16, 2019 · Python main function is executed only when the script is called directly, not when it's imported as a module. We use __name__ variable to write main function.

Aug 30, 2023 · TL;DR: What is the main function in Python and how do I use it? The main function in Python is the entry point of a script. It’s defined using def main():. Here’s a simple example: def main(): print('Hello, World!') if __name__ == '__main__': main() # Output: # …