Example
Positional and Keyword Arguments
Difference between positional and keyword arguments. Flexible function calling.
Results for “keyword arguments”
Showing 1–10 of 12
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Example
Variable Keyword Arguments **kwargs
Operator ** allows accepting any number of keyword arguments.
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Challenge
Swapped arguments
…line, find which parameter got which value, fix it with keyword arguments, then make calls that can't be swapped.
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Challenge
Extra log fields
…from "Log formatter function" with **fields, so any extra keyword arguments are added to the line as key=value pairs, then pass whole dicts of fields into it with ** at the call.
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Quiz
Python *args and **kwargs Quiz
…quiz on Python *args and **kwargs: 15 questions on extra arguments, tuples, dictionaries, and * and ** in calls. Instant answers.
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Challenge
Confirm by name
…confirm=True is passed by name: a bare * makes confirm keyword-only and required, then an is True check refuses values that are merely truthy, such as "yes".
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Challenge
Any number of values
…loose values and with a list unpacked by *, then add a keyword-only decimals option after *values and return None when there are no values.
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Quiz
Python Functions Quiz
…quiz on Python functions: 15 questions on def, return, arguments, default values, *args, scope and docstrings. Instant answers.
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Challenge
Sensible defaults
Give send_command(cmd, retries=3, timeout=5.0) default values so callers only pass what differs, call it three different ways, then add a new priority parameter without breaking any existing call.
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Article Python Fundamentals
Python Functions for Beginners
…hasn't heard of it yet. Passing data in: parameters and arguments A function that does exactly the same thing every time has its uses, but most of the time you want to hand it some information and let…
