Quiz: Perl Patterns and Idioms
Test your knowledge of language patterns in Perl.
1
What is the output of this variant of the Schwartzian transform?
my %extensions = (
'042' => 'Nick',
'000' => 'Nick',
'002' => 'Wesley',
'088' => 'Nick'
);
print for
map { " $_->[0]" }
sort { $a->[1] cmp $b->[1] }
sort { $a->[0] cmp $b->[0] }
map { [ $_ => $extensions{$_} ] }
keys %extensions;
A)
000 002 042 088
B)
088 042 002 000
C)
000 042 088 002
D)
002 000 042 088
Question 1 of 50 attempted
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