Solution#3996
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Jul 21, 2026
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Review Summary
The solution is working correctly and meets all the requirements. The count_occurrences function properly implements case-insensitive matching by converting both the phrase and letter to lowercase before counting, and it uses Python's built-in str.count() method as recommended. All the test cases pass, including the edge cases like count_occurrences("abc", "d") returning 0 and count_occurrences("ABC", "a") correctly returning 1. Great job on a clean, idiomatic implementation!
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