Fórum ➡ Building a List<> with questions and answers, from data in TXT file, using LINQ ♦, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

// aljodav ➡ rextester.comm/users/376

// in reply to the MSDN thread ➡ http://bit.ly/2owfxcj

namespace Rextester
{
    using Tp=Tuple<string,List<string>>;
    public class Program
    {
        public static string[] FileReadAllLines()
        {
            return new string[]{
                ""," ","*This is the Question 1","Yes","No",
                "*Question 2",""," ","Definitely YES!","Sometimes yes","No",
                "*This is the Question 3","What? Could you repeat, please?",
                "*Question 4","I don't know","I wish I knew it","I don't care about it",
                "*This is the Question 5","Just 1","2, maybe 3","4 or more"
            };
        }
        
        public static void Main(string[] args)
        { 
            List<Tp> tps=FileReadAllLines() // in lieu of File.ReadAllLines(string path)
                .Where(s=>false==string.IsNullOrWhiteSpace(s))
                .Aggregate(new List<Tp>(),(l,s)=>{
                    if(s[0]=='*'){
                        Tp tp=new Tp(s.Substring(1),new List<string>());
                        l.Add(tp);
                    }else{
                        l[l.Count-1].Item2.Add(s);
                    }
                    return l;
                })
                ;
            
            /*
            // all questions and answers:
            tps.ToList().ForEach(t=>{
                Console.WriteLine(t.Item1);
                t.Item2.ForEach(s=>Console.WriteLine('\t'+s));
            });
            */
            
            Console.WriteLine("A randomly chosen question:");
            
            Tp tup=tps[new Random().Next(tps.Count)];
            Console.WriteLine("\nThe question:\n\t{0}\n\nThe options:",tup.Item1);
            tup.Item2.ForEach(s=>Console.WriteLine('\t'+s));
            
            Console.WriteLine("\n\nHello, world!");
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,17 sec, absolute running time: 0,11 sec, cpu time: 0,12 sec, average memory usage: 14 Mb, average nr of threads: 3

Fórum ➡ Building a List<> with questions and answers, from data in TXT...