codex-lv3-may-2025

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Level 34: Practice: Your Turn!

Challenge 1: Test Multiple Punctuation Together

Write a test that checks if multiple punctuation marks work together:

it('should replace multiple punctuation marks', () => {
  const result = toSnakeCase('Hello!!! World???');
  expect(result).toBe('hello___world___');
});

Try it: Add this test. Does it pass with your current function?

Challenge 2: Test Mixed Punctuation

Exercise: design a test that mixes commas, exclamation marks, and question marks in the same string, then update toSnakeCase if needed so the assertion passes.

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