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  1. or download this
    #!/usr/bin/perl
    use strict;
    print keys %aa,", $bb, @cc\n";
    BEGIN {our %aa=(1,11); our $bb=22; our @cc=(3,33); }
    
  2. or download this
    Global symbol "%aa" requires explicit package name at test.pl line 3.
    Global symbol "$bb" requires explicit package name at test.pl line 3.
    Global symbol "@cc" requires explicit package name at test.pl line 3.
    BEGIN not safe after errors--compilation aborted at test.pl line 8.
    
  3. or download this
    1, 22, 3 33