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iOS Functions in Swift Adding Power to Functions Returning Complex Values

please help correct my error

please help me to figure out what is my error and how to get solution for it

functions.swift
// Enter your code below
func coordinates(location : String) -> ( lat:Double ,  lon:Double ){

    var lat = 0.0
    var lon = 0.0

    switch location {
    case "Eiffel Tower":
       lat = 48.8582
        lon = 2.2945
    case "Great Pyramid":
        lat = 29.9792
        lon = 31.1344
        case "Sydney Opera House":
            lat = 33.8587
            lon = 151.2140
    default:
        lat = 0.0
        lon = 0.0
    }

    return (lat,lon)
}

coordinates(location:"Eiffel Tower")

1 Answer

eberhapa
eberhapa
51,495 Points

You forgot the external parameter in the function declaration and the return tuple has to be without parameters

func coordinates(for location : String) -> (Double , Double )

You also have to change the function call

coordinates(for:"Eiffel Tower")

Best, Patrick