Take

Take[list, n] gives the first n elements of list.

Take[list, -n] gives the last n elements of list.

Take[list, {m, n}] gives elements m through n of list.

Examples

Take the first 3 elements:

Take[{a, b, c, d, e}, 3]
(* {a, b, c} *)

Take the last 2 elements:

Take[{a, b, c, d, e}, -2]
(* {d, e} *)

Take a range:

Take[{a, b, c, d, e}, {2, 4}]
(* {b, c, d} *)

Please visit the official Wolfram Language Reference for more details.