Challenge
Assignment in a condition
…what happens, fix both errors one after the other, then write an if/else check yourself.
Results for “write”
Showing 11–20 of 79
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Challenge
Unreachable branch
…run. Predict it, find the dead branch, fix the order, then write a four-level chain.
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Challenge
input() returns text
…out what input() really returns, fix it with int(), then write a packing tool that reads two numbers.
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Challenge
Names that explain
…name holds, rename them so the code explains itself, then write a fuel check with good names.
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Challenge
Command parser
Write parse_command(), which turns typed commands such as burn 12.5 or set mode safe into tuples and raises ValueError with a reason for anything malformed, then run a whole batch of commands and…
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Challenge
Manifest validator
Write problems(item), which lists everything wrong with one cargo item: missing fields, a mass that isn't a number, is 0 or is over the limit. Print a pass or fail line per item, then catch duplicate…
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Challenge
Test the error
Write a check that passes only when fuel_needed(-5) raises ValueError, so a version that returns a value or raises the wrong error fails it, then pin down the message and the lengths that must still…
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Challenge
Any number of values
Write average(*values), which accepts any number of numbers, call it with loose values and with a list unpacked by *, then add a keyword-only decimals option after *values and return None when there…
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Challenge
Prove the fix
Write assert checks for the fixed add_sample() that would have caught the shared default list, then add checks that a log passed in is still the one that gets the sample, so a "fix" that breaks that…
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Challenge
Edge cases
Write assert checks for mean(): an ordinary list and a list with one value first, then the edge cases, an empty list that should give None and lists with negative values, so broken copies of the…