Python 3.12 Beginner Tutorial - Lesson 15 - Function

Published: 07 January 2024
on channel: Red Tea Infusion

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Lesson 15 - Function
A function is a reusable block of code that performs a specific task. It is defined using the "def" keyword, followed by a name, parameters, and a block of code. Functions enhance code modularity, readability, and reusability. They can accept input parameters, process them, and return results. Functions in Python support features like default values, variable-length arguments, and the ability to return multiple values.

The "return" statement is used within a function to specify the value that the function should produce when called. It marks the end of the function's execution and sends the specified value back to the calling code.

"args" is a special syntax used in function definitions to indicate a variable-length argument list. The asterisk () allows a function to accept any number of positional arguments, which are then packed into a tuple named "args." This flexibility enables functions to handle varying numbers of input values.

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