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Why might assert statements be ignored when running Python code with optimization flags?

hard📝 Conceptual Q10 of 15
Python - Advanced Exception Handling
Why might assert statements be ignored when running Python code with optimization flags?
ABecause asserts always raise exceptions in optimized mode
BBecause asserts are removed when Python runs with -O or -OO flags
CBecause asserts cause syntax errors in optimized mode
DBecause asserts print warnings instead of errors in optimized mode
Step-by-Step Solution
Solution:
  1. Step 1: Understand Python optimization flags effect

    Running Python with -O or -OO disables assert statements.
  2. Step 2: What happens to asserts?

    Assert statements are removed and not executed, so no AssertionError can occur.
  3. Final Answer:

    Because asserts are removed when Python runs with -O or -OO flags -> Option B
  4. Quick Check:

    Optimization disables asserts [OK]
Quick Trick: Assert statements are skipped with -O or -OO flags [OK]
Common Mistakes:
  • Thinking asserts cause errors in optimized mode
  • Assuming asserts print warnings instead of errors
  • Believing asserts always run regardless of flags

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