Is it bad to save someone's code?

Answer 1

i guess the standard licence here
is Public Domain

Answer 2

It is bad if the code is bad

Answer 3

as long as you don't make it public and claim it as your own there is no problem with that
this is an educational app after all
if the original author haven't stated specifically that he/she have no problem with people using the code, save it and keep it as private (it will not be visible in the code playground)

Answer 4

thank you very much please uovote my repliw