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Python: In Python, which comparison about Type Hints and mypy is accurate?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

In Python, which comparison about Type Hints and mypy is accurate?

  1. There is no practical difference in behavior, performance, or maintainability when Type Hints and mypy is involved.
  2. The oldest option related to Type Hints and mypy is always the right production choice regardless of workload or context.
  3. Differences around Type Hints and mypy are mostly cosmetic, so correctness and debugging quality do not really change.
  4. Python stays dynamically typed at runtime, while static analysis adds guidance that improves readability and refactoring safety.

Hint

Focus on the behavior or tradeoff, not just the keyword.

Answer and rationale

Correct answer: D. Python stays dynamically typed at runtime, while static analysis adds guidance that improves readability and refactoring safety.

Python stays dynamically typed at runtime, while static analysis adds guidance that improves readability and refactoring safety. This is the comparison that usually separates memorization from understanding.

Track: Python