Count the Number of Vowel Strings in Range

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class Solution:
    def vowelStrings(self, words: List[str], left: int, right: int) -> int:
        # Initialize a count for the vowel strings
        count = 0

        # Define a set of vowel characters
        vowels = {'a', 'e', 'i', 'o', 'u'}

        # Iterate over the given range from left to right
        for i in range(left, right + 1):
            word = words[i]

            # Check if the first and last characters are vowels
            if word[0] in vowels and word[-1] in vowels:
                count += 1

        # Return the count of vowel strings
        return count