Maybe
my %h = (
    site1 => {map { $_ => 0 } 0..23},
    site2 => {map { $_ => 0 } 0..23},
    site3 => {map { $_ => 0 } 0..23},
);

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In reply to Re: building a complex data structure by sh1tn
in thread building a complex data structure by ministry

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