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```
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<br>
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## 8. Discuss the usage of `args` and `kwargs` in _function definitions_.
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## 8. Discuss the usage of `*args` and `**kwargs` in _function definitions_.
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In Python, **args** and **kwargs** are terms used to indicate that a function can accept a variable number of arguments and parameters, respectively.
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### `args`: Variable Positional Arguments
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### `*args`: Variable Positional Arguments
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`args` is used to capture an arbitrary or zero number of **positional arguments**. When calling a function with 'args', the arguments are collected into a tuple within the function. This parameter allows for a flexible number of arguments to be processed.
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`*args` is used to capture an arbitrary or zero number of **positional arguments**. When calling a function with '*args', the arguments are collected into a tuple within the function. This parameter allows for a flexible number of arguments to be processed.
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Here's an example:
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print(sum_all(1, 2, 3)) # Output: 6
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```
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### `kwargs`: Variable Keyword Arguments
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### `**kwargs`: Variable Keyword Arguments
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`kwargs` is utilized to capture an arbitrary or zero number of **keyword arguments**. When calling a function with `kwargs`, the arguments are collected into a dictionary within the function. The double star indicates that it's a keyword argument.
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`**kwargs` is utilized to capture an arbitrary or zero number of **keyword arguments**. When calling a function with `**kwargs`, the arguments are collected into a dictionary within the function. The double star indicates that it's a keyword argument.
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This feature is especially handy when developers are unsure about the exact nature or number of keyword arguments that will be transmitted.
Developers also have the **flexibility** to use both `*args` and `**kwargs` together in a function definition, allowing them to handle a mix of positional and keyword arguments.
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