2 days ago · In Python, the special name __main__ is used for two important constructs: the __main__.py file in Python packages. Both of these mechanisms are related to Python …

Everything in Python is a statement, there's no such thing as a declaration (for example, a def is a statement creating a function object and binding it to a name).

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 …

Aug 9, 2024 · Thus, it can be said that if __name__ == “__main__” is the part of the program that runs when the script is run from the command line using a command like Python File1.py.

Aug 12, 2024 · The if __name__ == "__main__" block in Python allows you to define code that will only run when the file is executed directly as a script, but not when it's imported as a module …

Apr 11, 2025 · __main__ is a special name in Python. It represents the main scope of a Python script or module. When a Python script is run directly, the code within the __main__ scope is …

Apr 12, 2025 · Despite its ubiquity, many Python beginners are unsure of what it does, why it’s used, and how it fits into the broader concepts of module execution and script execution. In …

Jan 24, 2024 · Understanding and incorporating the def main() function in Python scripts contributes to cleaner, more organized code. Whether you are building a simple script or a …

Jan 7, 2009 · It's boilerplate code that protects users from accidentally invoking the script when they didn't intend to. Here are some common problems when the guard is omitted from a script:

Nov 30, 2024 · For most practical purposes, you can think of the conditional block that you open with if __name__ == "__main__" as a way to store code that should only run when your file is …