What is the percentage of items in the dataset that were reordered?

What is the percentage of items in the dataset that were reordered?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - orders.csv - products.csv - aisles.csv - departments.csv - order products train.csv