The above solutions rely on interpreting the hash in a list context, in which it returns all its key value pairs flattened out. for eg, see the below code
use strict ;
use warnings ;
my %hash=('a'=>'b','c'=>'d') ;
my @arr=(%hash) ;
local $"="|" ;
print "@arr" ;
which spews out
flattens out the key value pairs of %hash into a list. Hence it reduces to
So on and so forth for code like
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