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  1. or download this
    my %hash=map {
    no strict 'refs';
    $_ => \&{$_};
} qw/sol1 sol2 .../;  # Pseudo-code
  2. or download this
    __END__
"no" not allowed in expression at x line 4, at end of line
BEGIN not safe after errors--compilation aborted at x line 4.