Jul 20, 2022 · To define a function in Python, you type the def keyword first, then the function name and parentheses. To tell Python the function is a block of code, you specify a colon in front of the function name.

In Python a function is defined using the def keyword: To call a function, use the function name followed by parenthesis: Information can be passed into functions as arguments. Arguments are specified after the function name, inside the parentheses. You can add as many arguments as you want, just separate them with a comma.

Apr 24, 2025 · In this article, I’ll explain how to execute a Python function from the command line. As we have done creating a file for the Python script we can move forward to defining a function that we will be executing from the command line.

Run a Python function that takes arguments from PowerShell explicitly (without passing the arguments separately)

Feb 28, 2024 · Let’s get right into the methods to run Python script from Windows CMD. The command-line arguments are values passed to the function/program during its execution. Let’s take a script example, a file named calculator.py with a function that adds two values. result = num1 + num2. print(f"The sum is: {result}") if len(sys.argv) != 3:

Jan 9, 2024 · In this tutorial, we will learn about how the python call function works. We will take various examples and learned how we can call python built-in functions and user-defined functions. Moreover, we will cover how to call a function with arguments and without arguments.

Aug 19, 2023 · In Python, functions are defined using def statements, with parameters enclosed in parentheses (), and return values are indicated by the return statement. Note that blocks are expressed with indentation (usually four spaces) rather than brackets. To call a defined function, use the following syntax: function_name(argument1, argument2...) Example:

In Python, you define a function using the def keyword, followed by the function name and parameters in parentheses: def function_name(parameters): """Docstring: explains what the function does""" # Function body # Code to execute return result # Optional return statement

Mar 16, 2025 · Python functions are a fundamental part of the language, allowing you to encapsulate a set of instructions into a reusable block of code. Understanding how to run Python functions is essential for writing modular, efficient, and maintainable code.

A Python function is a reusable named block of code that performs a task or returns a value. Use the def keyword to define a new function. A function consists of function definition and body.