why functions are used in python

Опубликовано: 16 Февраль 2024
на канале: CodeShare

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title: understanding functions in python: a comprehensive tutorial
introduction:
functions play a crucial role in python programming, enabling developers to organize code, enhance reusability, and improve maintainability. in this tutorial, we will explore the fundamentals of functions in python, their syntax, and the benefits they bring to your code.
table of contents:
1. what is a function?
in python, a function is a reusable block of code that performs a specific task. it allows you to break down your program into smaller, manageable pieces, promoting modular and structured programming.
2. why use functions?
3. function syntax:
4. parameters and arguments:
example:
5. return statement:
a function can return a value using the return statement. if no return statement is present, the function returns none by default.
example:
6. scope of variables:
variables defined inside a function have local scope and are not accessible outside the function. variables defined outside any function have global scope.
example:
7. examples of functions:
let's consider a few practical examples to illustrate the use of functions:

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