for the sake of simplicity, brevity (and less duration of memory footprint), I'll use the anonymous array method.
Neither of your OP snippets uses an anonymous array.
Your function returns a list, which you either: assign to an array which you then process using for; or you process the list directly with for.
But yes, there is no purpose to assigning to the array, unless you needed to retain the returned values beyond the loop.
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