Create RxObservable with from

RxObservableFrom.swift

func createRxObservable() {
    
    let source = Observable<Int>.from([1, 2, 3, 4, 6, 7])
    
    source
        .subscribe(onNext: { number in
            print("Current emitted number: ", number)
        }, onError: { _ in print("On Error") },
           onCompleted: { print("Complete") },
           onDisposed: nil)
}