Solution

[rostyslav131]

No description provided.

[mateacademy-ai-mentor]

Review Summary

Your implementation correctly fulfills all functional requirements. The function has the exact required signature, properly handles case-insensitive matching using .lower(), and returns the correct integer for all test cases. The code works as expected for inputs like "letter" with "t" returning 2, and "ABC" with "a" returning 1. While a loop is used instead of built-in string functions like count(), this was only a recommendation in the task description, not a required constraint - the functionality is completely correct. No changes are needed.

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