Which variable shows the most extreme leptokurtic distribution, and what is its kurtosis value?

Which variable shows the most extreme leptokurtic distribution, and what is its kurtosis value?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - diabetes.csv