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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 delete_route_table(route_table_id=None, route_table_name=None,
                       region=None, key=None, keyid=None, profile=None):
    '''
    Deletes a route table.

    CLI Examples:

    .. code-block:: bash

        salt myminion boto_vpc.delete_route_table route_table_id='rtb-1f382e7d'
        salt myminion boto_vpc.delete_route_table route_table_name='myroutetable'

    '''
    return _delete_resource(resource='route_table', name=route_table_name,
                            resource_id=route_table_id, region=region, key=key,
                            keyid=keyid, profile=profile)