Challenge
Sort by a field
…date, then sort the cargo manifest heaviest first with a key function and reverse=True.
Results for “key”
Showing 1–10 of 62
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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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Example
Creating Dictionaries
Dictionaries store data as key-value pairs. Fast access to data by key.
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Example
Positional and Keyword Arguments
Difference between positional and keyword arguments. Flexible function calling.
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Challenge
Missing field
Reading launch["pad"] stops with a KeyError when the API hasn't assigned a pad yet. Predict it, check the keys with in, fix it with get() and a default, then print a list of launches with defaults for…
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Example
Variable Keyword Arguments **kwargs
Operator ** allows accepting any number of keyword arguments.
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Challenge
Sorted copy
…then sort names like de Vries and van Dijk correctly with key=str.lower.
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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
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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Example
The global Keyword
The global keyword allows modifying a global variable inside a function.