#24 Functions In Python | Part 2 смотреть онлайн

Functions In Python(2) Function's Argument:

- You can pass data, known as parameters, into a function.
- The terms parameter and argument can be used for the same
thing: information that are passed into a function.

- Parameters:
- A parameter is the variable listed inside the parentheses in the function definition.

- Arguments:
- An argument is the value that is sent to the function when it is called.
- positional Arguments and Keyword Arguments:

- Things To keep in mind when dealing with arguments:
- By default, in positional arguments, ordering matters.
- Or you can specify the Keyword Arguments, arguments with the key = value syntax,
then the ordering doesn't matter.
- Having a positional argument after keyword arguments will result in errors.

- Default Values:
- Function's arguments can have a default value, meaning you don't have to specify them,
in the function call

Arbitrary Arguments, *args:
- If you do not know how many arguments will be passed into your function, add
a * before the parameter name in the function definition. This way the function
will receive a tuple of arguments, and can access the items accordingly:

Arbitrary Keyword Arguments, **kwargs:
- If you do not know how many keyword arguments will be passed into your function,
add two asterisks: ** before the parameter name in the function definition.
This way the function will receive a dictionary of arguments,
and can access the items accordingly:

The pass Statement:
function definitions cannot be empty, but if you for some reason have a function
definition with no content, put in the pass statement to avoid getting an error.

Content:
00:00 intro.
00:45 parameters & arguments.
02:9 positional & keywords arguments.
09:22 default arguments.
11:15 arbitrary arguments.
14:01 arbitrary keywords.
16:35 pass statement.

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