`locations``Results
`let location = locations`
`latitude``longitude``Location``locations``Location`
`Results
1. Subscripting
let location = locations[0]
let valString = "\(location.latitude),\(location.longitude)"
2. `first``last`
let location = locations.first!
let valString = "\(location.latitude),\(location.longitude)"
^ `first`/`last`
3.
for location in locations {
let valString = "\(location.latitude),\(location.longitude)"
`Results`
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