Learn how to create and use functions in Python from "summary" of Python For Dummies by Stef Maruch,Aahz Maruch
Functions are one of the most powerful features of Python. They allow you to encapsulate a piece of code and reuse it whenever you need to perform a specific task. This can save you a lot of time and effort, especially when you have to perform the same task multiple times in your program. To create a function in Python, you use the def keyword followed by the name of the function and a set of parentheses. Inside the parentheses, you can specify any parameters that the function will take as input. After the parentheses, you use a colon to indicate the beginning of the function body. The function body consists of one or more statements that define what the function does when it is called. When you call a function, you simply use its name followed by a set of parentheses. If the function takes any parameters, you can pass them inside the parentheses. The function will then execute its body and return a result if necessary. Functions in Python can return a value using the retu...
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