Challenge
Print the manifest
Print one cargo manifest line for every record in a list of dicts, reading each field by key, then add up the masses in the same loop for a total line.
Results for “lists of dicts”
Showing 1–10 of 35
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Challenge
Nested response
…doesn't keep everything at the top level: the rocket is a dict of its own, and the mission holds a list of patch images. The public launch page shows the rocket and the mission patch. Dig the two…
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Challenge
Go launches only
Print only the launches whose status is Go from a list of launch dicts, then collect the others with their status into one "not go yet" line, or none.
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Example
Tuples vs Lists - Differences
When to use tuples instead of lists? Comparison of properties and applications.
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Challenge
Line to record
Extend the feed parser so it stores every reading as a dict with time, sensor, value and unit in a list of records, then let other code pick out one sensor's readings by key.
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Challenge
Shared default list
…remembers samples from earlier calls, because the default list is created once and shared. Predict it, prove the calls share one list, fix it with None as the default, then write a function that hands…
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Example
Returning Dictionary or List
Functions can return complex data structures like dictionaries or lists.
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Quiz
Python Data Types Quiz
…data types: 15 questions on int, float, str, bool, None, lists, tuples, dictionaries and sets, with instant answers.
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Challenge
Validate a cargo record
Write validate_cargo(item), which returns a list of everything wrong with a cargo record: missing fields and a negative mass, then a cargo ID that doesn't match the CG- and four digits format. An…
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Challenge
Undo and history
…console: record every change to the hold in a history list and show it with a history command, then add undo, which takes the last change off the history and reverses it.