#!/usr/bin/env perl
#
# Write a script to implement Lempel–Ziv–Welch (LZW) compression algorithm. The
# script should have method to encode/decode algorithm. The wiki page explains
# the compression algorithm very nicely.
#
# (https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch).
################################################################################

use strict;
use warnings;