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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def set_ys(self, word):
 """ Identify Ys that are to be treated as consonants and make them uppercase. """


        if word[0] == 'y':
            word = 'Y' + word[1:]

        for match in re.finditer("[aeiou]y", word):
            y_index = match.end() - 1
            char_list = [x for x in word]
            char_list[y_index] = 'Y'
            word = ''.join(char_list)

        return word