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Learn how to use a main() function to control the execution of your Python code depending on how it is run. Understand the special __name__ variable and the best practices for defining main() in Python.
- Defining Main Functions in Python
Many programming languages have a special function that is...
- Overview
By the end of this tutorial, you’ll understand what this...
- Defining Main Functions in Python
9 sie 2024 · In Python, a “main function” is typically used to denote the entry point of a Python script or program, similar to the main() function in languages like C and C++. While Python doesn’t require a main function to execute scripts, it’s a common practice to define a main function in a script for better organization and readability.
19 mar 2014 · The if statement allows you to create a main function which will be executed if your file is loaded as the "Main" module rather than as a library in another module. To be clear, this means that the Python interpreter starts at the first line of a file and executes it.
Learn how to use the main() function and the __name__ variable to define the execution point of a Python file. See examples of running a file as a script or a module and how to use if conditional with __name__ to run different code.
25 maj 2022 · Learn how to use the if __name__ == '__main__' block to separate executable code in your Python modules. See examples of defining and calling a main() function and avoiding unwanted code execution.
2 dni temu · Learn how to use __main__ to check if a module is executed in the top-level environment and how to create command-line tools with main functions. See examples, explanations and packaging considerations.
Learn how to define a main() function in Python to have a starting point for your program execution. Explore the __name__ variable, the conventions and best practices for writing a main() function.
