Hashes

Hi

i am not able to declare hases

first i tried this

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use strict
my %familyname;
$familyname{"mark"}="antony";
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and i get an error "Global symbol "%familyname" requires explicit
package name"

next i tried
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use strict
my %hash = ("a" => 1, "b" => 2, "c" => 3);
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for this i get "Unknown 'strict' tag(s) 'a 1 b 2 c 3'"

i am not able to get hash working please help me out

Thanks in advance