Which non-legendary, non-mega Pokémon has the highest total stats, and in which generation was it introduced?

Which non-legendary, non-mega Pokémon has the highest total stats, and in which generation was it introduced?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - Pokemon.csv