couldn't the statement: 

my @slice = map { $ManagerInCharge{$month}{$_} } 
                ( keys %{$ManagerInCharge{$month}} );

[download]

be written more simply as: 

my @slice = values %{$ManagerInCharge{$month}};

[download]

In reply to Re^2: Extracting a list of keys from a multi-dimensional hash. by Anonymous Monk
in thread Extracting a list of keys from a multi-dimensional hash. by PerlKitten

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