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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 uri_query(self):
 """ Get the Uri-Query of a request. :return: the Uri-Query :rtype : String :return: the Uri-Query string """

        value = []
        for option in self.options:
            if option.number == defines.OptionRegistry.URI_QUERY.number:
                value.append(str(option.value))
        return "&".join(value)