Weird and Not Weird numbers...

main.dart

import 'dart:math';

void main() {
  Random random = Random();
  
  /// Generate random number between 1 to 10
  int n = random.nextInt(10)+1;
  bool _even = n % 2 == 0;
  /// Inclusive range from 2 to 5
  List<int> rangeOne = [for(var i=2; i<=5; i++) i];
  /// Inclusive range from 6 to 20
  List<int> rangeTwo = [for(var i=6; i<=20; i++) i];
  
  if (!_even) {
    print('Weird');
  } else if (_even && rangeOne.contains(n)) {
    print('Not Weird');
  } else if (_even && rangeTwo.contains(n)) {
    print('Weird');
  } else if (_even && n > 20) {
    print('Not Weird');
  }
}