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Which of the following is the correct syntax to assert that result is approximately equal to 3.14 using pytest.approx?

easy📝 assertion Q12 of 15
PyTest - Writing Assertions
Which of the following is the correct syntax to assert that result is approximately equal to 3.14 using pytest.approx?
Aassert result == pytest.approx[3.14]
Bassert result == approx(3.14)
Cassert result = pytest.approx(3.14)
Dassert result == pytest.approx(3.14)
Step-by-Step Solution
Solution:

  1. Step 1: Identify correct usage of pytest.approx

    The correct syntax uses the function call form: pytest.approx(value).

  2. Step 2: Check assertion syntax

    Assertions use '==' to compare, '=' is assignment and brackets [] are invalid here.

  3. Final Answer:

    assert result == pytest.approx(3.14) -> Option D

  4. Quick Check:

    Use '==' and parentheses with pytest.approx [OK]
Quick Trick: Use '==' and parentheses with pytest.approx [OK]
Common Mistakes:
MISTAKES
  • Using '=' instead of '==' in assert
  • Calling approx without pytest prefix if not imported
  • Using square brackets instead of parentheses

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