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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 getServiceEndpoints(self, yadis_url, service_element):
 """Generate all endpoint objects for all of the subfilters of this filter and return their concatenation."""

        endpoints = []
        for subfilter in self.subfilters:
            endpoints.extend(
                subfilter.getServiceEndpoints(yadis_url, service_element))
        return endpoints