in swift code please Here's the info from the silver Challenge: import Cocoa

struct CountyZipCodes $\{$

var county: String

var zipCodes: $[$String$]$

$\}$

let michiganCounties $=[$

CountyZipCodes$($county: "Macomb County, MI$",$ zipCodes: $["48044","48066","48310","48038","48047","48035","48312","48021"]),$

CountyZipCodes$($county: "Wayne County, MI$",$ zipCodes: $["48180","48228","48126","48187","48185","48235","48188","48183"]),$

CountyZipCodes$($county: "Oakland County, MI$",$ zipCodes: $["48307","48178","48073","48322","48309","48237","48071","48306"])$

$]$