Dask is a cuenets based computing environment that's col and i notice right away the dask integration. It allows you to scale cross machines, orextreme data where you don't have enough distord memory and things like that. People haven't seen desk running in jupiter notebook. There's the whole cluster of visualization and the sort of progress computation stuff. The example code that we've got through the cloudless mosaic to note book ages has thee basic creamy a cluster in dask get the client creep four to four, four to 24 workers.