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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 encode(cls, value):
 """ the list it so it can be stored in redis. :param value: list :return: bytes """

        try:
            coerced = [str(v) for v in value]
            if coerced == value:
                return ",".join(coerced).encode(cls._encoding) if len(
                    value) > 0 else None
        except TypeError:
            pass

        raise InvalidValue('not a list of strings')