What is the number of unique phone models in the dataset?
What is the number of unique phone models in the dataset?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - phone dataset .csv
The task
Files (in /home/user/input, no subfolders): - phone_dataset .csv