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Four Types of Parameters and Two Types of Arguments in Python

Towards Data Science

What are mandatory, optional, keyword and non-keyword variable-length parameters? What are positional and optional arguments? What are args and kwargs?

What Are Those Special Function Parameters in Python?

Real Python

Have you ever come across the forward slash (/) and asterisk (*) symbols in the documentation for your favorite libraries? These represent special parameters, which tell you what kinds of arguments yo...

Python: Function Parameter Prototypes

Python in Plain English

Python has a feature that some folks might find surprising: default parameter values are accessible, mutable and only assigned to a function once, instead of upon each function call. This behavior is…...

*args, **kwargs, and Everything in Between

Towards Data Science

Python has become the go-to language in Data Science for its versatility, simplicity, and powerful libraries. Functions, with their ability to encapsulate reusable code, play a key role in streamlinin...

Function arguments and parameters in Python

Python in Plain English

Let’s start by defining what function parameters are. Parameters are essentially the placeholders for data that a function expects to receive. When you define a function, you specify its parameters wi...

Parameter

PyTorch documentation

A kind of Tensor that is to be considered a module parameter. Parameters are Tensor subclasses, that have a very special property when used with Module s - when they’re assigned as Module attributes t...

Defining Optional Parameters In Python Functions

Python in Plain English

Parameters that default to certain values when not given Continue reading on Python in Plain English

ParameterList

PyTorch documentation

Holds parameters in a list. ParameterList can be used like a regular Python list, but Tensors that are Parameter are properly registered, and will be visible by all Module methods. Note that the const...

What Are Python Asterisk and Slash Special Parameters For?

Real Python

In this tutorial, you'll learn how to use the Python asterisk and slash special parameters in function definitions. With these symbols, you can define whether your functions will accept positional or ...

ParameterDict

PyTorch documentation

Holds parameters in a dictionary. ParameterDict can be indexed like a regular Python dictionary, but Parameters it contains are properly registered, and will be visible by all Module methods. Other ob...

Understanding Arguments and Parameters in Python Functions

Python in Plain English

Exploring arguments and parameters and how to use them when creating a function in Python Continue reading on Python in Plain English

Path Parameters

FastAPI Documentation

Path Parameters You can declare path "parameters" or "variables" with the same syntax used by Python format strings: The value of the path parameter item_id will be passed to your function as the arg...