'The DeleteCacheSecurityGroup operation deletes a cache
security group.
You cannot delete a cache security group if it is associated
with any cache clusters.
:type cache_security_group_name: string
:param cache_security_group_name:
The name of the cache security group to delete.
You cannot delete the default security group.'

def delete_cache_security_group(self, cache_security_group_name):

    params = {'CacheSecurityGroupName': cache_security_group_name}
    return self._make_request(action='DeleteCacheSecurityGroup', verb='POST', path='/', params=params)
