SET B

Write a program to display the output of the following pattern

a$)$

$,2,1,$

$,3,4,5,$

$,5,6,$

$(upton$ rows$)$

b$)$

$[$a$,,,,],[1,2,,,],[$b$,$c$,$d$,,],[3,4,5,6,],[$E$,$f$,$g$,$h$,$i$]]$

$($up to $8$ rows$)$