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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_usedby_and_readonly(self, id):
 """ Gets the build plans details os teh selected plan script as per the selected attributes. Args: id: ID of the Plan Script. Returns: array of build plans """

        uri = self.URI + "/" + id + "/usedby/readonly"
        return self._client.get(uri)