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sub add_two ($$); # add_two will be defined later
$account_balance = @credits + @debits; $biblical_metaphor = @sheep - @goats;
@account_balances = @credits + @debits; @biblical_metaphors = @sheep - @goats;
$length2 = scalar(@intArray); # type coercion, reports size of the arr +ay $hashTable{"third"} = @intArray; # coercion to a scalar type means the + value is not the array but its length
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