Hello Im having a probleme to generalete someting like that. e1=(1,0.0) e2=(0,1,0) e3=(0,0,1) I want to generalete ej=(0,...,0,..., ) and in position number j I want to have 1 Are there command in python for this? But how I can do the generalisation of this? I'm looking for an answer of the form ej = (0,0,...,o...,0) and positin j, I want to have 1.