Traversing strings
12-minute lesson · module-strings-03
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Traversing strings
12-minute lesson · module-strings-03
- Iterate character-by-character with `for ch in s:`.
- Combine traversal with the count and accumulator patterns.
- Use `in` to test membership.
Source attribution
Status: adapted
How to Think Like a Computer Scientist: Interactive Edition — source · Strings / Traversal and the for loop
Adaptation notes. Reading rewritten in our voice. Vowel-counting exercise authored specifically for PyTutor AI.
License notes. Verify chapter-level license metadata on Runestone before copying any text verbatim. This lesson contains no verbatim quotations.