I finally learned this in python python programming coding

Опубликовано: 28 Март 2025
на канале: CodeNode

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certainly! it sounds like you're interested in a tutorial that covers a specific topic in python programming. i'll provide an informative overview of a commonly used python feature: **functions**. functions are fundamental to writing clean, reusable, and organized code.

python functions tutorial

what is a function?

a function is a block of reusable code that performs a specific task. functions help to break down complex problems into smaller, manageable parts. they can take inputs (known as parameters) and can return outputs.

defining a function

in python, you define a function using the `def` keyword followed by the function name and parentheses containing any parameters. the function body is indented below the definition.

syntax

example of a simple function

let’s create a simple function that takes two numbers as inputs and returns their sum.

calling a function

to use a function, you call it by its name followed by parentheses, passing any required arguments.

complete example

here’s a complete example that includes a function to add numbers, along with user input:

key points

1. **parameters and arguments**: parameters are variables listed in the function's definition, while arguments are the actual values you pass to the function when calling it.

2. **return statement**: the `return` statement is used to send back a value from the function to the caller.

3. **docstrings**: you can use triple quotes `"""` to add documentation for your function, which can be helpful for understanding what the function does.

4. **scope**: variables defined within a function are local to that function and cannot be accessed from outside it.

5. **default parameters**: you can define default values for parameters, which will be used if no argument is provided.

example with default parameters

conclusion

functions are a powerful feature in python that allow you to organize your code, make it reusable, and improve readab ...

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