Python Fundamentals · interview question

What assumption should be made explicit when working with built-in types and none?

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Delay clarity until production traffic reveals the edge case and then patch it under pressure.Solve the symptom with comments only and avoid changing the code shape around built-in types and none.Keep built-in types and none implicit so the script stays short and hope the next engineer infers the rule.The expected data shape, boundary rule, or invariant that the rest of the code depends on staying true.

Answer and explanation

Correct answer

D. The expected data shape, boundary rule, or invariant that the rest of the code depends on staying true.

Why

Once assumptions are explicit, bugs are easier to detect and test cases are easier to design.

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What assumption should be made explicit when working with built-in types and none?

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