#!/usr/bin/perl use warnings; use strict; my %numbers=( nameA => "1234567", nameB => "2234567", nameC => "3234567", nameD => "4234567", nameE => "5234567" ); print "Who's number are you looking for? : \n"; my $who = ; print "$who number is $numbers{$who}\n"; #### C:\BegPerl\chap3\Exercises>chap3_ex3.pl Who's number are you looking for? : "nameA" Use of uninitialized value in concatenation (.) or string at C:\BegPerl\chap3\Exercises\chap3_ex3.pl line 21, li ne 1. nameA number is