Defining Main Functions in Python
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.
Python Main Function - GeeksforGeeks
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()
python - Why use def main ()? - Stack Overflow
Oct 28, 2010 · Having a main() function allows you to call its functionality if you import the module. The main (no pun intended) benefit of this (IMHO) is that you can unit test it.
Python Main Function & Method Example: Understand def Main()
Jan 24, 2024 · In Python, the def main() function is commonly used as the starting point for executing code when a script is run. It acts as the main routine, housing the primary logic of the script.
How Do You Write a Main Function in Python? - LearnPython.com
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.
Python ‘Main’ Function: Syntax and Usage Guide
Aug 30, 2023 · 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: # 'Hello, World!' In this example, we define a …
Learn Python Main Function & Examples: Understand def Main ()
Sep 2, 2024 · What is Python main function? Why use def main () function and Python main method with example in this tutorial.
Python Main Function Tutorial with Hands-on Examples
Apr 1, 2025 · What is the Main Function in Python? 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.
Why Every Python Script Has if __name__ == ‘__main__’: — And …
Apr 12, 2025 · Learn how if __name__ == '__main__': works in Python, its role in script execution, and best practices with examples.
What is the Main Function in Python and how to use it? - Edureka
Nov 27, 2024 · In most programming languages, there is a special function which is executed automatically every time the program is run. This is nothing but the main function, or main () as it is usually denoted. It essentially serves as a starting point for the execution of a program.