"Retriving the dataset locally if it does not already exists (based on the approach from the model document/solution for the exercice). This way, the script allways work with the same file, and will still work offline (with a proper installation) or in case the remote file becomes inaccessible."
"Retriving the dataset locally if it does not already exists (based on the approach from the model document/solution for the exercice). This way, the script allways work with the same file, and will still work offline (with a proper installation) or in case the remote file becomes inaccessible (explaining why we do it, also based on the solution for the exercice)."