func extractStationData(){
            for article in blog.articles {
                article.href

            }
        }

let stationDataURL = "https://api.citybik.es(extractStationData())"

let networksURL = "https://api.citybik.es/v2/networks/"
    guard let dataURL = URL(string: networksURL) else {return}

    URLSession.shared.dataTask(with: dataURL) { (data, response, err) in

        guard let data = data else {return}
        let dataAsString = String(data: data, encoding: .utf8)

    guard let blog = try? JSONDecoder().decode(Blog.self, from: data) else {
        print("Error: Couldn't decode data")
        return
    }

    print("Networks link:")
    for article in blog.articles {
        print("- (article.href)")
    }