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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 txn_removeAssociation(self, server_url, handle):
 """Remove the association for the given server URL and handle, returning whether the association existed at all. (str, str) -> bool """

        self.db_remove_assoc(server_url, handle)
        return self.cur.rowcount > 0