What is the initial value of the 12-period exponentially weighted moving average (EWMA) for the passenger…

What is the initial value of the 12-period exponentially weighted moving average (EWMA) for the passenger…: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - AirPassengers.csv