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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 get(self, key, default=None):
 """ Obtain a value from the record by key, returning a default value if the key does not exist. :param key: :param default: :return: """

        try:
            index = self.__keys.index(str(key))
        except ValueError:
            return default
        if 0 <= index < len(self):
            return super(Record, self).__getitem__(index)
        else:
            return default