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How does one create a new hash using an array of keys on an existing hash?
my %pets_all = (
'rover' => 'dog',
'fluffy' => 'cat',
'squeeky' => 'mouse'
);
my @alive = ('rover', 'fluffy');
#this does not work, but hopefully you get the idea.
my %pets_alive = %pets_all{@alive};
asked 1 min ago
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