FAQ: Learn Python: Function Arguments - Default Arguments

This community-built FAQ covers the “Default Arguments” exercise from the lesson “Learn Python: Function Arguments”.

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This exercise can be found in the following Codecademy content:

Learn Python 3

FAQs on the exercise Default Arguments

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2 posts were split to a new topic: Code Argument Alternative Doesn’t Work?

Hi there, does anyone know what the import os does in this excercise? How does it function within the codecademy environment?I’ve read about it in the pydocs, but didn’t understand everything of it. Does it let us simulate an os so we can create folders and files?

Thanks :slight_smile:

In the Default Arguments module - you can set default values. In the example you can then pass only 1 argument to a function with two parameters. Is there a way to pass only one argument that is the second parameter and then has the default in the first?
For Example:
def create_user(username=None, is_admin=False):

Can we call a create_user(True) in some way?

yes, we can:



create_user(None, True)


create_user(username=None, is_admin=True)

create_user(True) is known as positional argument, given the position of the argument determines the parameter belongs to.

create_user(username=None, is_admin=True) is known as (If I am not mistaken, been a while since I have done python) as keyword arguments. Given we now rely on a keyword rather then position for the arguments to match with the parameters.

I believe we can even do:

create_user( is_admin=True, username=None)

would be a illogical thing to do, just showing the possibilities.

Thanks @stetim94! 2 lessons later they went into this! Appreciate your quick response!

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