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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_alphabet(self, alphabet):
 """Set the alphabet to be used for new UUIDs."""


        # Turn the alphabet into a set and sort it to prevent duplicates
        # and ensure reproducibility.
        new_alphabet = list(sorted(set(alphabet)))
        if len(new_alphabet) > 1:
            self._alphabet = new_alphabet
            self._alpha_len = len(self._alphabet)
        else:
            raise ValueError("Alphabet with more than " "one unique symbols required.")