Challenge
Changed the caller's list
…that were never really taken. Predict what the program prints, find out how the preview reached the stored list, fix the function, then write another one that leaves its input alone. Predict and run…
Showing 11–20 of 39
Challenge
…that were never really taken. Predict what the program prints, find out how the preview reached the stored list, fix the function, then write another one that leaves its input alone. Predict and run…
Challenge
Sort launches by date with sorted() and a small function that returns each launch's date, then sort the cargo manifest heaviest first with a key function and reverse=True.
Challenge
Extend format_log() 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.
Challenge
…one list, fix it with None as the default, then write a function that hands out a fresh list each time.
Challenge
…where waiting is worse than failing. Give the uplink function sensible defaults, then add an option without touching any of its callers. Defaults Give retries a default of 3 and timeout a default of…
Challenge
…noticed until the fuel budget came out 62.5 kg short. A function that gets a value it can't work with should say so, loudly and clearly, at the moment it happens. Raise ValueError Make fuel_needed()…
Challenge
The docking computer decides whether the ship may dock. Its function has grown one condition at a time, each inside the last, and the reason for a refusal now sits four levels deep, at the far end of…
Challenge
The engine alert check from "Alert level" is now a function, alert_level() , and other programs depend on it. Before anyone changes it again, it needs tests: small checks that run in a second and…
Challenge
…pass from the database, sometimes just two numbers. A function that wants a list makes every one of those calls a little clumsier than it needs to be. Write an average that takes the values as they…
Challenge
…and lists with negative values, so broken copies of the function can't pass.