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If you wrote a test around typeddict and shaped data, what should the test prove first?

Multiple choiceMediumchapter-10-curatedpremiumtype-hintstypeddict-and-shaped-data
python
from typing import TypedDict

class OrderRow(TypedDict):
    sku: str
    quantity: int
Choose one answer
Answer and explanation

Correct answer

D. That the rule behaves correctly at the boundary cases the lesson is trying to make explicit.

Why

Good tests make the design safer to change because they lock in the meaningful behavior rather than surface-level implementation details.

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