take(BasicList,ZZ) -- take some elements from a list

take(BasicList,ZZ) -- take some elements from a list

Synopsis:

Usage: w = take(v,n)

Function: take -- take some elements from a list

Input:

v, an instance of class BasicList.

n, an instance of class ZZ.

Output:

w, an instance of class BasicList: a list containing the first n elements of the list v if n is positive, or the last -n elements if n is negative.

i1 : take({a,b,c,d,e,f},3)



o1 = {a, b, c}



o1 : List

i2 : take({a,b,c,d,e,f},-2)



o2 = {e, f}



o2 : List