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48 lines
722 B
48 lines
722 B
#!/usr/bin/env perl
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use strict;
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use warnings;
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use Data::Dumper;
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my %petsounds = (
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"cat" => "meow",
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"dog" => "woof",
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"snake" => "hiss"
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);
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print "The cat goes " . $petsounds{"cat"} . ".\n";
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$petsounds{"mouse"} = "squeak!";
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$petsounds{"dog"} = "arf!";
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delete($petsounds{"cat"});
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print "The mouse goes " . $petsounds{"mouse"} . ".\n";
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print Dumper(\%petsounds) . "\n";
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my %a = ();
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$a{1}{"a"}{"A"} = "FIRST";
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$a{1}{"c"}{"B"} = "THIRD";
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$a{1}{"b"}{"C"} = "SECOND";
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foreach my $k1 (sort keys %a) {
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foreach my $k2 (sort keys %{$a{$k1}}) {
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foreach my $k3 (sort keys %{$a{$k1}{$k2}}) {
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print "$k1\t$k2\t$k3\t$a{$k1}{$k2}{$k3}\n";
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}
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}
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}
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print Dumper(\%a);
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1;
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__END__
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