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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_user(self, name):
 """ Finds the user in this instance with the specified name, and returns a CloudDatabaseUser object. If no match is found, a NoSuchDatabaseUser exception is raised. """

        try:
            return self._user_manager.get(name)
        except exc.NotFound:
            raise exc.NoSuchDatabaseUser("No user by the name '%s' exists." %
                    name)