continuing from previous foil
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$LoL2D[$i] = \@list; # does create a 2D array but \@list is same location each time and so $LoL2D[$i][$j] will give same answer whatever $i chosen with final @list returned being accessed each time
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$LoL2D[$i] = [ @list ]; # finally creates intended 2D array as array constructor [ ] will create a fresh reference for each $i
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} # End for $i (1..10)
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my(@list) = somefunc($i); # my creates a fresh instance each time
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$LoL2D[$i] = \@list; # also works but is perhaps less clear
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Note my() can occur as here inside any block { } and not just at start of subroutine and defines variables local to block
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