# use Data::Dumper;
my @str1= qw(Poet Blake had a milky white cat He used to call it Pussy
my @str2 = qw(Poet Blake had a white cat and used to call it Pussy);
my $s1= Set::Scalar->new(@str1);
my $s2 = Set::Scalar->new(@str2);
my $result = $s1*$s2;
(Blake Poet Pussy a call cat had it to used white)
Perhaps this helps. Best regards, Karl
Update: You wrote you are a teacher. So i think you can do the math by yourself ;-)
Regards, Karl, Earl of GuttenPlag.
P.S.: And diff might be a weapon too...
«The Crux of the Biscuit is the Apostrophe»
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