Type Hints · interview question

Which naming or modeling choice is strongest for protocols?

Multiple choiceMediumchapter-10-curatedpremiumtype-hintsprotocols

python

from typing import Protocol

class PaymentGateway(Protocol):
    def charge(self, amount: int) -> str: ...

Use names and structures that describe the business fact directly instead of temporary implementation noise.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 protocols.Keep protocols implicit so the script stays short and hope the next engineer infers the rule.

Answer and explanation

Correct answer

A. Use names and structures that describe the business fact directly instead of temporary implementation noise.

Why

Clear naming and modeling shorten debugging, review, and onboarding time.

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Which naming or modeling choice is strongest for protocols?

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