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diff --git a/challenge-191/solathian/perl/ch-1.pl b/challenge-191/solathian/perl/ch-1.pl
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+++ b/challenge-191/solathian/perl/ch-1.pl
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+#!usr/bin/perl -w
+use v5.32;
+use warnings;
+
+use feature 'signatures';
+no  warnings 'experimental';
+
+my $enableTests = 0;
+# Challange 191 - 1 - Twice Largest
+# You are given list of integers, @list.
+
+# Write a script to find out whether the largest item in the list is at least twice as large as 
+# each of the other items.
+
+
+sub twiceLargest(@list)
+{
+    die "The given list has only one element. Stopped"    if($#list == 0);
+    
+    @list = sort @list;
+    
+    print "\nThe largest in the given list is $list[-1]. ";
+    
+    if($list[-1] >= (2 * $list[-2]) )
+    {
+        say "Also $list[-1] is greater than twice of every remaining elements."
+    }
+    else
+    {
+        say "However $list[-1] is not greater than twice of every remaining elements."
+    }
+
+}
+
+
+
+my @list0 = (1,2,3,4);
+twiceLargest(@list0)    if($enableTests);
+# The largest in the given list is 4. However 4 is not greater than twice of every remaining elements.
+
+my @list1 = (1,2,0,5);
+twiceLargest(@list1)    if($enableTests);
+# The largest in the given list is 5. Also 5 is greater than twice of every remaining elements.
+
+my @list2 = (2,6,3,1);
+twiceLargest(@list2)    if($enableTests);
+# The largest in the given list is 6. Also 6 is greater than twice of every remaining elements.
+
+my @list3 = (4,5,2,3);
+twiceLargest(@list3)    if($enableTests);
+# The largest in the given list is 5. Also 5 is not greater than twice of every remaining elements.
+\ No newline at end of file