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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 update(self, prefixes):
 """Add a value to the list. Arguments: prefixes(list):
 A list to add the value """

        if self.ip_prefix not in prefixes:
            prefixes.append(self.ip_prefix)
            self.log.info("announcing %s for %s", self.ip_prefix, self.name)
            return True

        return False