import 'package:flutter/material.dart';

final Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    List<int> sayilar = [55,66];
    List<int> sonradanGelenler = [763];
    List<int> elimizdekiler = [...sayilar , ...sonradanGelenler];
    
    return MaterialApp(
      theme: ThemeData.dark().copyWith(scaffoldBackgroundColor: darkBlue),
      debugShowCheckedModeBanner: false,
      home: Scaffold(
          body: Center(child: Container(
        child: Text("Liste eleman sayısı  " + elimizdekiler.length.toString()), // 3
      ),)),
    );
  }
}
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