<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def do_clearrep(self, line):
 """clearrep Set the replication policy to default. The default replication policy has no preferred or blocked member nodes, allows replication and sets the preferred number of replicas to 3. """

        self._split_args(line, 0, 0)
        self._command_processor.get_session().get_replication_policy().clear()
        self._print_info_if_verbose("Cleared the replication policy")