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CLI Design · interview question

A bug appears around environment configuration. What is the strongest first debugging move?

Multiple choiceHardchapter-6-curatedpremiumcli-designenvironment-configuration
python
import os

api_base_url = os.environ["ORDER_OPS_API_BASE_URL"]
print(api_base_url)
Choose one answer
Answer and explanation

Correct answer

C. Trace one concrete example, inspect the state transitions, and compare them to the intended rule before rewriting anything.

Why

That approach is reliable because it creates evidence. Sprinkling environment lookups across the codebase hides dependencies and makes tests awkward.

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