def delete_cache_subnet_group(CacheSubnetGroupName=None):
    """
    Deletes a cache subnet group.
    See also: AWS API Documentation
    
    
    :example: response = client.delete_cache_subnet_group(
        CacheSubnetGroupName='string'
    )
    
    
    :type CacheSubnetGroupName: string
    :param CacheSubnetGroupName: [REQUIRED]
            The name of the cache subnet group to delete.
            Constraints: Must contain no more than 255 alphanumeric characters or hyphens.
            

    """
    pass
