For a neater solution you can use this: hello() That way the function will only be executed if you run the file, not when you import the file. And what if hello() takes arguments that should be supplied by the command line? In that case you can send sys.argv to the method. Or access it from the hello method.

Jun 5, 2023 · 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.

Jan 31, 2021 · Inside a Python interpreter, you can import your py file by import prime and then run the function by calling it: prime.isPrime(10). If you want to run the file from the command line, you need to do python prime.py but you have to have some runnable code. Right now you just define a function.

You could for example just call it in your Python file: print(get_fb_access_token(email, password)). And then run python fb_auth_token.py. You could either call python with the command option: or if you want this function to be called every time you …

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:

Dec 5, 2024 · To enable calling a function dynamically based on the command line input, you can use the sys module: def my_function(): print("Function executed") if __name__ == '__main__': func_name = sys.argv[1] globals()[func_name]() # Execute function by string name. You can run the script like this:

Jan 5, 2025 · With a few easy steps, you can run a function in Python from the command line. To begin with, write a Python script (.py file) that calls the desired function. Make sure the function definition is aligned and indented correctly. Next, launch a command-line interface (CLI) and go to the Python script's stored directory.

Creating functions using the CLI is very similar to creating functions in scripts. Type your function name and arguments on the first line and append a colon. After that the Pyhton interpreter asks for further input. Now you have to indent the next code you want write in the function body. You finish the function the a blank line.

Jul 20, 2022 · Before you call a function, you need to write it with the def keyword. So in this article, I will not just show you how to call a function, I will also show you how to create it. To define a function in Python, you type the def keyword …

Feb 10, 2023 · In Python, the "def" keyword is used to define a function. A function is a reusable block of code that performs a specific task or a set of instructions. It allows you to break down your code into smaller, manageable pieces, promoting code …