splice @favs, 25;
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Note that splice-ing past the end of the array results in a warning in earlier Perl versions:

Win8 Strawberry 5.8.9.5 (32)  Wed 08/31/2022 15:05:47
C:\@Work\Perl\monks
>perl -wMstrict -MData::Dump=dd -le "my @ra = ('a' .. 'd');  splice @r
+a, 10;  dd \@ra"
splice() offset past end of array at -e line 1.
["a" .. "d"]
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