Challenge
Log to a file
Write the day's mission log entries to mission.log with with open(), one per line, read the file back and print it, then add an append_entry() function that adds lines at the end without wiping what…
Results for “write”
Showing 1–10 of 79
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Challenge
Shared default list
…share one list, fix it with None as the default, then write a function that hands out a fresh list each time.
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Challenge
Launch counter crash
…it by passing the count in and returning the new one, then write a fuel function the same way.
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Challenge
Changed the caller's list
…names share one list, fix it by returning a new list, then write a filter that leaves its input alone.
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Challenge
Silent branch
…which statuses give None, make every path return, then write a function where every path returns.
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Challenge
Catch what you expect
…hidden error, catch only ValueError and fix the typo, then write a parser that lets other errors through.
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Challenge
Prints instead of returns
…out what the function gives back, fix it with return, then write a conversion function that returns.
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Challenge
Magic numbers
…into named constants without changing the output, then write a Mars version with constants from the start.
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Challenge
Shadowed fuel
…compare both values, fix it by returning the total, then write a function that uses only its parameters.
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Challenge
Never-ending wait
…ends. Predict it, find the stuck counter, fix it, then write a wait that gives up when the readings run out.