@ary --> 0 10 20 30 40 50 60 70 80 90
@ary[1,4] --> 10 40
@ary[1..4] --> 10 20 30 40
@ary[0,1,4..6] --> 0 10 40 50 60
@ary[9,0] --> 90 0

%hash --> a=>A, b=>B, c=>C, d=>D, e=>E, f=>F,
@hash{"a","b"} --> A B
@hash{"d".."f"} --> D E F
@hash{"f","a"} --> F A
@hash{qw(b e e f)} --> B E E F
@hash{"f","a"} --> F A

24: @ary --> 0 10 20 30 40 50 60 70 80 90
26: @ary --> 0 10 20 5 6 7 60 70 80 90
28: @ary --> 0 10 20 5 6 5 6 7 8 9
30: %hash --> a=>A, b=>B, c=>C, d=>D, e=>E, f=>F,
32: %hash --> a=>AA, b=>AB, c=>AC, d=>D, e=>E, f=>F,
34: %hash --> a=>AA, c=>AC, d=>D, f=>F,