A function is a block of code that performs a specific task. In this tutorial, we will learn about the Python function and function expressions with the help of examples.

A function call instructs Python to execute the code inside the function. To call a function, you write the function’s name, followed by the information that the function needs in parentheses.

Nov 22, 2024 · In this tutorial, you'll learn all about Python functions. Follow steps to learn how to write and call functions in Python. Find code examples today!

Mar 10, 2024 · Some best practices for writing Python functions include keeping functions short and focused on a single task, using descriptive names for functions and variables, adding …

Definition and Usage The write() method writes a specified text to the file. Where the specified text will be inserted depends on the file mode and stream position. "a": The text will be inserted at …

What are Functions? Functions are a convenient way to divide your code into useful blocks, allowing us to order our code, make it more readable, reuse it and save some time. Also …

Oct 4, 2025 · Python Functions are a block of statements that does a specific task. The idea is to put some commonly or repeatedly done task together and make a function so that instead of …

Jun 11, 2025 · Learn how to define your own Python function, pass data into it, and return results to write clean, reusable code in your programs.