Python Fundamentals · interview question
What is the clearest sign that code around expressions and arithmetic should be refactored?
Multiple choiceEasychapter-1-curatedpremiumpython-fundamentalsexpressions-and-arithmetic
Answer and explanation
Correct answer
D. When the rule is no longer easy to trace, explain, or change without breaking nearby behavior.
Why
A refactor is justified when the code stops communicating its intent. Break price and shipping calculations into named steps so each part of the rule can be checked and explained.
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