WHAT DOES ĐăNG Ký SHBET MEAN?

@Mic My that means was "unused" = "unused ever in this workbook", I think this is well as very clear as using "unassigned" which I'd interpret the exact same... but I Get the point.Most computational deals delivering scientific operation use NumPy’s array objects since the lingua franca for knowledge exchange. During this Numpy Cheat sheet for Fa