1: my @aa = ();
2: my @a = ("Mega", "Giga", "Tera");
3: my @b = ("Centi", "Milli", "Nano");
4: push(@aa, \@a);
5: push(@aa, \@b);
6: foreach(@aa){
7: foreach(@$_){
8: print();
9: print(" ");
10: }
11: print(" -> First Element is $_->[0]");
12: print("\n");
13: }
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