  $_1 = ""; # just for visual output-spacing
  $srec_keyed_by_2        = $[2];
  $srec_name_2            = $[[2]];
  $srec_value_2           = $[[[2]]];
  $_2 = "";
  $dollar_star_keyed_by_2 = $*[2];
  $dollar_star_name_2     = $*[[2]];
  $dollar_star_value_2    = $*[[[2]]];
  $_3 = "";
  mymap                   = {"a":7, "b":8, "c":9};
  $mymap_keyed_by_2       = mymap[2];
  $mymap_name_2           = mymap[[2]];
  $mymap_value_2          = mymap[[[2]]];
  $_4 = "";
  myarray                 = [7, 8, 9];
  $myarray_keyed_by_2     = myarray[2];
  $myarray_name_2         = myarray[[2]];
  $myarray_value_2        = myarray[[[2]]];
