What us the impact of itertools.product if input is a=[2,4] & b=[7,8]. if answer required is (2,7) (2,8) (2,9) (4,7) (4,8) (4,9)

Answer 1

Exactly i was also got confused. In Techgig PYTHON Challenge on cartesian product required this output on this input.
Thus i posted this query for guidance