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  1. or download this
    my $href = $main_hash{$val}{$type}{$pegs};
my $T1val = defined $href->{'Section1'}[0] ? $href->{'Section1'}[0] : 
+undef;
  2. or download this
    $T1val = defined ${$main_hash{$val}{$type}{$pegs}{'Section1'}}[0] ? ${
+$main_hash{$val}{$type}{$pegs}{'Section1'}}[0] : undef;
  3. or download this
    $T1val = ${$main_hash{$val}{$type}{$pegs}{'Section1'}}[0];