| list l="a","b","c";
list l1=delete(l,2);l1;
==> [1]:
==> a
==> [2]:
==> c
l;
==> [1]:
==> a
==> [2]:
==> b
==> [3]:
==> c
delete(1..5,2);
==> 1,3,4,5
ring r=0,(x,y,z),dp;
delete(maxideal(1),1);
==> _[1]=y
==> _[2]=z
delete(maxideal(1),1..2);
==> _[1]=z
|