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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_subnet(subnet_id=None, subnet_name=None, region=None, key=None,
                  keyid=None, profile=None):
    '''
    Given a subnet ID or name, delete the subnet.

    Returns True if the subnet was deleted and returns False if the subnet was not deleted.

    .. versionchanged:: 2015.8.0
        Added subnet_name argument

    CLI Example:

    .. code-block:: bash

        salt myminion boto_vpc.delete_subnet 'subnet-6a1fe403'

    '''

    return _delete_resource(resource='subnet', name=subnet_name,
                            resource_id=subnet_id, region=region, key=key,
                            keyid=keyid, profile=profile)