private static void SelectMany2()
{
// flatten the year list to return a list of all racers and positions in the championship
var racers = Formula1.GetChampionships()
.SelectMany(cs => new List <dynamic>()
{
new {
Year = cs.Year,
Position = 1,
Name = cs.First
},
new {
Year = cs.Year,
Position = 2,
Name = cs.Second
},
new {
Year = cs.Year,
Position = 3,
Name = cs.Third
}
});
foreach (var s in racers)
{
Console.WriteLine(s);
}
}
private static void CombineRacers()
{
var q = from r in Formula1.GetChampions()
join r2 in Formula1.GetChampionships().GetRacerInfo() on
new
{
FirstName = r.FirstName,
LastName = r.LastName
}
equals
new
{
FirstName = r2.FirstName,
LastName = r2.LastName
}
into yearResults
select new
{
FirstName = r.FirstName,
LastName = r.LastName,
Wins = r.Wins,
Starts = r.Starts,
Results = yearResults
};
foreach (var item in q)
{
Console.WriteLine("{0} {1}", item.FirstName, item.LastName);
foreach (var item2 in item.Results)
{
Console.WriteLine("{0} {1}", item2.Year, item2.Position);
}
}
}
static void GroupJoinWithMethods()
{
var racers = Formula1.GetChampionships()
.SelectMany(cs => new List <(int Year, int Position, string FirstName, string LastName)>
{
(cs.Year, Position: 1, FirstName: cs.First.FirstName(), LastName: cs.First.LastName()),
(cs.Year, Position: 2, FirstName: cs.Second.FirstName(), LastName: cs.Second.LastName()),
(cs.Year, Position: 3, FirstName: cs.Third.FirstName(), LastName: cs.Third.LastName())
});
var q = Formula1.GetChampions()
.GroupJoin(racers,
r1 => (r1.FirstName, r1.LastName),
r2 => (r2.FirstName, r2.LastName),
(r1, r2s) => (r1.FirstName, r1.LastName, r1.Wins, r1.Starts, Results: r2s));
foreach (var r in q)
{
Console.WriteLine($"{r.FirstName} {r.LastName}");
foreach (var results in r.Results)
{
Console.WriteLine($"{results.Year} {results.Position}");
}
}
}
public static void Except()
{
Console.WriteLine("Show the list of Formula 1 drives that have been in the top 3 but never a world champion");
var racers = Formula1.GetChampionships().SelectMany(cs => new List <RacerInfo>()
{
new RacerInfo(cs.Year, 1, cs.First.FirstName(), cs.First.LastName()),
new RacerInfo(cs.Year, 2, cs.Second.FirstName(), cs.Second.LastName()),
new RacerInfo(cs.Year, 3, cs.Third.FirstName(), cs.Third.LastName())
});
var nonChampions = racers.Select(r =>
new
{
r.FirstName,
r.LastName
}).Except(Formula1.GetChampions().Select(r =>
new
{
r.FirstName,
r.LastName
}));
foreach (var r in nonChampions)
{
Console.WriteLine($"{r.FirstName} {r.LastName}");
}
}
private static void CombineRacers()
{
var q = from r in Formula1.GetChampions()
join r2 in Formula1.GetChampionships().GetRacerInfo() on
(
FirstName: r.FirstName,
LastName: r.LastName
)
equals
(
FirstName: r2.FirstName,
LastName: r2.LastName
)
into yearResults
select new
{
FirstName = r.FirstName,
LastName = r.LastName,
Wins = r.Wins,
Starts = r.Starts,
Results = yearResults
};
foreach (var item in q)
{
WriteLine($"{item.FirstName} {item.LastName}");
foreach (var item2 in item.Results)
{
WriteLine($"{item2.Year} {item2.Position}");
}
}
}
static void GroupJoin2()
{
var racers = Formula1.GetChampionships()
.SelectMany(cs => new List <RacerInfo>()
{
new RacerInfo {
Year = cs.Year,
Position = 1,
FirstName = cs.First.FirstName(),
LastName = cs.First.LastName()
},
new RacerInfo {
Year = cs.Year,
Position = 2,
FirstName = cs.Second.FirstName(),
LastName = cs.Second.LastName()
},
new RacerInfo {
Year = cs.Year,
Position = 3,
FirstName = cs.Third.FirstName(),
LastName = cs.Third.LastName()
}
});
var q = (from r in Formula1.GetChampions()
join r2 in racers on
new
{
FirstName = r.FirstName,
LastName = r.LastName
}
equals
new
{
FirstName = r2.FirstName,
LastName = r2.LastName
}
into yearResults
select new
{
FirstName = r.FirstName,
LastName = r.LastName,
Wins = r.Wins,
Starts = r.Starts,
Results = yearResults
});
foreach (var r in q)
{
Console.WriteLine("{0} {1}", r.FirstName, r.LastName);
foreach (var results in r.Results)
{
Console.WriteLine("{0} {1}", results.Year, results.Position);
}
}
}
static void GroupJoinWithMethodsAndNoTuples()
{
var racers = Formula1.GetChampionships()
.SelectMany(cs => new List <RacerInfo>()
{
new RacerInfo
{
Year = cs.Year,
Position = 1,
FirstName = cs.First.FirstName(),
LastName = cs.First.LastName()
},
new RacerInfo
{
Year = cs.Year,
Position = 2,
FirstName = cs.Second.FirstName(),
LastName = cs.Second.LastName()
},
new RacerInfo
{
Year = cs.Year,
Position = 3,
FirstName = cs.Third.FirstName(),
LastName = cs.Third.LastName()
}
});
var q = Formula1.GetChampions()
.GroupJoin(racers,
r1 => new { r1.FirstName, r1.LastName }, // outer key selector
r2 => new { r2.FirstName, r2.LastName }, // inner key selector
(r1, r2s) => new { r1.FirstName, r1.LastName, r1.Wins, r1.Starts, Results = r2s }); // result selector
foreach (var r in q)
{
Console.WriteLine($"{r.FirstName} {r.LastName}");
foreach (var results in r.Results)
{
Console.WriteLine($"{results.Year} {results.Position}");
}
}
}
private static void Except()
{
var racers = Formula1.GetChampionships().SelectMany(cs => new List <RacerInfo>()
{
new RacerInfo {
Year = cs.Year,
Position = 1,
FirstName = cs.First.FirstName(),
LastName = cs.First.LastName()
},
new RacerInfo {
Year = cs.Year,
Position = 2,
FirstName = cs.Second.FirstName(),
LastName = cs.Second.LastName()
},
new RacerInfo {
Year = cs.Year,
Position = 3,
FirstName = cs.Third.FirstName(),
LastName = cs.Third.LastName()
}
});
var nonChampions = racers.Select(r =>
new
{
FirstName = r.FirstName,
LastName = r.LastName
}).Except(Formula1.GetChampions().Select(r =>
new
{
FirstName = r.FirstName,
LastName = r.LastName
}));
foreach (var r in nonChampions)
{
Console.WriteLine("{0} {1}", r.FirstName, r.LastName);
}
}
static void GroupJoin()
{
var racers = from cs in Formula1.GetChampionships()
from r in new List <(int Year, int Position, string FirstName, string LastName)>()
{
(cs.Year, Position : 1, FirstName : cs.First.FirstName(), LastName : cs.First.LastName()),
(cs.Year, Position : 2, FirstName : cs.Second.FirstName(), LastName : cs.Second.LastName()),
(cs.Year, Position : 3, FirstName : cs.Third.FirstName(), LastName : cs.Third.LastName())
}
select r;
var q = (from r in Formula1.GetChampions()
join r2 in racers on
(
r.FirstName,
r.LastName
)
equals
(
r2.FirstName,
r2.LastName
)
into yearResults
select
(
r.FirstName,
r.LastName,
r.Wins,
r.Starts,
Results: yearResults
));
foreach (var r in q)
{
Console.WriteLine($"{r.FirstName} {r.LastName}");
foreach (var results in r.Results)
{
Console.WriteLine($"\t{results.Year} {results.Position}");
}
}
}
// 4.操作符实例
static void OpteratorSampleMethod()
{
// 1.使用where子句，可以合并多个表达式
var racers = from r in Formula1.GetChampions()
where r.Wins > 15 && (r.Country == "Brazil" || r.Country == "Austria")
select r;
DisplayRacers(racers);
// 2.使用索引查询
racers = Formula1.GetChampions().
Where((r, index) => r.LastName.StartsWith("A") && index % 2 != 0);
DisplayRacers(racers);
// 3.类型筛选
Console.WriteLine("类型筛选");
object[] data = { "one", 2, 3, "four", "five", 6 };
var query = data.OfType <string>();
foreach (var s in query)
{
Console.WriteLine(s);
}
Console.WriteLine();
// 4.复合的from子句
Console.WriteLine("复合的from子句");
var ferrariDrivers = from r in Formula1.GetChampions()
from c in r.Cars
where c == "Ferrari"
orderby r.LastName
select r.FirstName + " " + r.LastName;
DisplayRacers(ferrariDrivers);
// 5.排序
Console.WriteLine("排序");
racers = (from r in Formula1.GetChampions()
orderby r.Country, r.LastName, r.FirstName
select r).Take(10);
DisplayRacers(racers);
// 6.分组
Console.WriteLine("分组");
var countries = from r in Formula1.GetChampions()
group r by r.Country into g
orderby g.Count() descending, g.Key
where g.Count() >= 2
select new
{
Country = g.Key,
Count = g.Count()
};
foreach (var item in countries)
{
Console.WriteLine("{0,-10} {1}", item.Country, item.Count);
}
Console.WriteLine();
// 7.对嵌套的对象分组
Console.WriteLine("对嵌套内的对象分组");
var mcountries = from r in Formula1.GetChampions()
group r by r.Country into g
orderby g.Count() descending, g.Key
where g.Count() >= 2
select new
{
Country = g.Key,
Count = g.Count(),
Racers = from r1 in g
orderby r1.LastName
select r1.FirstName + " " + r1.LastName
};
foreach (var item in mcountries)
{
Console.WriteLine("{0,-10} {1}", item.Country, item.Count);
foreach (var name in item.Racers)
{
Console.WriteLine("{0}: ", name);
}
Console.WriteLine();
}
// 8.内连接：使用join子句可以根据特定的条件合并两个数据源，但之前要获得两个连接的列表
var racers1 = from r in Formula1.GetChampions()
from y in r.Years
select new
{
Year = y,
Name = r.FirstName + " " + r.LastName
};
var teams = from t in Formula1.GetContructorChampions()
from y in t.Years
select new
{
Year = y,
Name = t.Name
};
var racersAndTeams = from r in racers1
join t in teams on r.Year equals t.Year
select new
{
r.Year,
Champion = r.Name,
Constructor = t.Name
};
Console.WriteLine("Year World Champion\t Constructor Title");
foreach (var item in racersAndTeams)
{
Console.WriteLine("{0}: {1,-20} {2}", item.Year, item.Champion, item.Constructor);
}
Console.WriteLine();
// 9.组连接
Console.WriteLine("组连接");
var racers2 = Formula1.GetChampionships()
.SelectMany(cs => new List <RacerInfo>()
{
new RacerInfo
{
Year = cs.Year,
Position = 1,
FirstName = cs.First.FirstName(),
LastName = cs.First.LastName()
},
new RacerInfo
{
Year = cs.Year,
Position = 2,
FirstName = cs.Second.FirstName(),
LastName = cs.Second.LastName()
},
new RacerInfo
{
Year = cs.Year,
Position = 3,
FirstName = cs.Third.FirstName(),
LastName = cs.Third.LastName()
}
});
var q = (from r in Formula1.GetChampions()
join r2 in racers2 on
new
{
FirstName = r.FirstName,
LastName = r.LastName
}
equals
new
{
FirstName = r2.FirstName,
LastName = r2.LastName
}
into yearResults
select new
{
FirstName = r.FirstName,
LastName = r.LastName,
Wins = r.Wins,
Starts = r.Starts,
Results = yearResults
});
foreach (var r in q)
{
Console.WriteLine("{0} {1}", r.FirstName, r.LastName);
foreach (var results in r.Results)
{
Console.WriteLine("{0} {1}", results.Year, results.Position);
}
}
// 10.集合操作
// 定义委托
Console.WriteLine("集合操作");
Func <string, IEnumerable <Racer> > racerByCar = car => from r in Formula1.GetChampions()
from c in r.Cars
where c == car
orderby r.LastName
select r;
Console.WriteLine("World champion with ferrati and McLaren");
foreach (var racer in racerByCar("Ferrari").Intersect(racerByCar("McLaren")))
{
Console.WriteLine(racer);
}
// 11.合并
Console.WriteLine("合并操作");
var racerName = from r in Formula1.GetChampions()
where r.Country == "Italy"
orderby r.Wins descending
select new
{
Name = r.FirstName + " " + r.LastName
};
var racerNamesAndStarts = from r in Formula1.GetChampions()
where r.Country == "Italy"
orderby r.Wins descending
select new
{
LastName = r.LastName,
Starts = r.Starts
};
var racers3 = racerName.Zip(racerNamesAndStarts, (first, second) => first.Name + ", starts" + second);
foreach (var r in racers)
{
Console.WriteLine(r);
}
Console.WriteLine();
}
public static void Main(string[] args)
{
Cons.WriteLine($"Start the LINQ Stuff.....{args?[0]}");
var champs = Formula1.GetChampions();
var q1 = from r in Formula1.GetChampions() where r.Country == "UK" orderby r.Wins descending select r;
foreach (Racer r in q1)
{
Cons.WriteLine($"{r:A}");
}
//Extension Method! Just another way to get at static classes!
var s = "All";
s.Boots();
//Q1 using extensions methods to for show...
var champs2 = new List <Racer>(Formula1.GetChampions());
IEnumerable <Racer> Brits = champs2.Where(c => c.Country == "UK").OrderBy(o => o.LastName)
.Select(r => r);
DeferredDemo.DeferredEx1();
//LINQ query examples
var wins10plus = from r in champs2 where r.Wins >= 10 select r;
var wins10Plus2 = Formula1.GetChampions().Where(r => r.Wins >= 10).Select(r => r).ToList();
//Example where one can't use LINQ and have to use the extension method.
var r1 = champs2.Where((r, Index) => r.LastName.StartsWith("A") || Index % 2 != 0);
//Type Filtering
object[] data = { "One", 1, 2, 3, 4, "Five", "Six" };
var int1 = data.OfType <int>().OrderBy(n => n);
foreach (var i in int1.Reverse())
{
Cons.WriteLine($"{i}");
}
//Compound froms
var ferrariDrives = from r in Formula1.GetChampions()
from c in r.Cars
where c == "Ferrari"
select r.LastName + " " + r.LastName + " => " + c;
var Drives1950s = from r in Formula1.GetChampions()
from y in r.Years
where y >= 1950 && y <= 1959
orderby y
select r.LastName + " " + r.LastName + " => " + y;
//Using Exstensions
var Drivers1960s = Formula1.GetChampions().SelectMany(r => r.Years, (r, y) => new { Racer = r, Year = y })
.Where(r => r.Year >= 1960 && r.Year <= 1969).OrderBy(r => r.Year).Select(r =>
r.Racer.LastName + " " + r.Racer.FirstName + " " + r.Year);
//OrderBy and Take...
var oRacers = (from r in Formula1.GetChampions() orderby r.Country, r.LastName, r.FirstName descending select r).Take(10);
//And With Exrensions
oRacers = Formula1.GetChampions().OrderBy(r => r.Wins).ThenBy(r => r.LastName)
.ThenByDescending(r => r.FirstName).Take(10);
//Now some grouping
var gRacers = from r in Formula1.GetChampions()
group r by r.Country
into c
orderby c.Key
select c;
var gRacers2 = from r in Formula1.GetChampions()
group r by r.Country
into c
orderby c.Key, c.Count() descending
where c.Count() >= 2
select new { Country = c.Key, Count = c.Count() };
//Grouping with Nested Objects basicaly c from gRacers
var gRacers3 = from r in Formula1.GetChampions()
group r by r.Country
into c
orderby c.Key, c.Count() descending
where c.Count() >= 2
select new { Country = c.Key, Count = c.Count(), Racers = from r2 in c orderby r2.Wins select new { r2.LastName, r2.Wins } };
//Inner Joins
var ijRacers = from r in Formula1.GetChampions()
from y in r.Years
select new { Year = y, Name = r.LastName + ", " + r.FirstName };
var ijTeams = from t in F1_Teams.GetConstructorChampions()
from y in t.Years
select new { Year = y, Name = t.Name };
var ijRacerAndTeam =
(from r in ijRacers
join t in ijTeams on r.Year equals t.Year
orderby r.Year
select new { r.Year, Champion = r.Name, Constructor = t.Name }
).Take(10);
var loRacerAndTeam =
(from r in ijRacers
join t in ijTeams on r.Year equals t.Year into rt
from a in rt.DefaultIfEmpty()
orderby r.Year
select new { r.Year, Champion = r.Name, Constructor = a == null ? "Not One": a.Name }
).Take(10);
//Group Join Step 1 flattern!
var gjRacers = Formula1.GetChampionships().SelectMany(c => new List <RacerInfo>()
{
new RacerInfo
{
Year = c.Year,
Position = 1,
FirstName = c.Champion.FirstName(),
LastName = c.Champion.LastName()
},
new RacerInfo
{
Year = c.Year,
Position = 2,
FirstName = c.Second.FirstName(),
LastName = c.Second.LastName()
},
new RacerInfo
{
Year = c.Year,
Position = 3,
FirstName = c.Third.FirstName(),
LastName = c.Third.LastName()
}
}).ToArray();
//Step 2 Join
var q = (from r in Formula1.GetChampions()
join ts in gjRacers on new { FirstName = r.FirstName, LastName = r.LastName } equals new
{
FirstName = ts.FirstName,
LastName = ts.LastName
} into yrResults
select new
{
FirstName = r.FirstName,
LastName = r.LastName,
Wins = r.Wins,
Starts = r.Starts,
Results = yrResults
}
).ToArray();
//Using Set Operators
//Using a static method
var ferrariDrivers = GetDrives("Ferrari");
var mcLarebDrivers = GetDrives("McLaren");
//Better way to use delegates!
Func <string, IEnumerable <Racer> > racersByCar =
car => from r in Formula1.GetChampions() from c in r.Cars where c == car orderby r.LastName select r;
foreach (var r in racersByCar("Ferrari").Intersect(racersByCar("McLaren")))
{
Cons.WriteLine(r.LastName);
}
//Zip method!
var rNames = from r in Formula1.GetChampions()
where r.Country == "Italy"
orderby r.Wins descending
select new { Name = r.FirstName + "," + r.LastName };
var rNameStarts = from r in Formula1.GetChampions()
where r.Country == "Italy"
orderby r.Wins descending
select new { LastName = r.LastName, Starts = r.Starts };
var zRacers = rNames.Zip(rNameStarts, (a, b) => a.Name + ", Starts: " + b.Starts);
foreach (var a in zRacers)
{
Cons.WriteLine(a.ToString());
}
//Why the selections and order are so important!
rNameStarts = from r in Formula1.GetChampions()
where r.Country == "UK"
orderby r.Wins
select new { LastName = r.LastName, Starts = r.Starts };
zRacers = rNames.Zip(rNameStarts, (a, b) => a.Name + ", Starts: " + b.Starts);
foreach (var a in zRacers)
{
Cons.WriteLine(a.ToString());
}
//Complete crap lol
//Partitioning
int pSize = 20;
int nPages = (int)Math.Ceiling(Formula1.GetChampions().Count / (double)pSize);
for (int p = 0; p < nPages; p++)
{
Cons.WriteLine($"Page {p+1} of {nPages}:");
var pR = (from r in Formula1.GetChampions()
orderby r.LastName, r.FirstName
select r.LastName + ", " + r.FirstName).Skip(p * pSize).Take(pSize);
foreach (var r in pR)
{
Cons.WriteLine(r);
}
Cons.ReadKey();
}
//Aggregate Operators Count, Sum, Min, Max, Average and Aggregate return single values.
//Count
var aQ1 = from r in Formula1.GetChampions()
let nYears = r.Years.Count()
orderby nYears descending, r.LastName, r.FirstName
select new { Name = r.LastName, Initials = r.FirstName.Initials(), Years = nYears };
foreach (var r in aQ1)
{
Cons.WriteLine($"{r.Name}, {r.Initials} Wins = {r.Years}");
}
//Sum
var t1 = from c in
from r in Formula1.GetChampions()
group r by r.Country
select new { Key1 = c.Key };
var aS1 = (from c in
from r in Formula1.GetChampions()
group r by r.Country into c
select new { Country = c.Key, Wins = (from r2 in c select r2.Wins).Sum() }
orderby c.Wins descending, c.Country select c).Take(5);
//Conversion Operators
var lRacers = (from r in Formula1.GetChampions()
from c in r.Cars
select new { Car = c, Racer = r }
).ToLookup(cr => cr.Car, cr => cr.Racer);
var lr = lRacers["Williams"]; //Gives us a lookup of just Williams drives
//Using the Cast method!
var oList = new System.Collections.ArrayList(Formula1.GetChampions() as System.Collections.ICollection ?? throw new InvalidOperationException());
var q2 = from r in oList.Cast <Racer>() where r.Country == "USA" select r;
//Not sure what this is doing but it must be good!!!!
//Generation Operators
var vRange = Enumerable.Range(1, 20);
var vRange2 = Enumerable.Range(1, 20).Select(i => i > 1? (i > 2? i * 2: i): i);
//Parallel LINQ
Cons.WriteLine($"Loading large dataset, please wait.");
var lsData = LargeSample().ToList();
var watch = new Stopwatch();
watch.Start();
var pRes = (from x in lsData.AsParallel() where Math.Log(x) < 4 select x
).Average();
watch.Stop();
Cons.WriteLine($"Parallel run: {watch.Elapsed}");
watch.Reset();
watch.Start();
var nRes = (from x in lsData where Math.Log(x) < 4 select x
).Average();
watch.Stop();
Cons.WriteLine($"Normal run: {watch.Elapsed}");
watch.Reset();
watch.Start();
var mpRes = lsData.AsParallel().Where(x => Math.Log(x) < 4).Select(x => x).Average();
watch.Stop();
Cons.WriteLine($"Working Average with Parallel run: {watch.Elapsed}");
//Parallel LINQ
//Partitions
watch.Reset();
watch.Start();
var ppRes = (from x in Partitioner.Create(lsData, true).AsParallel().WithDegreeOfParallelism(4)
where Math.Log(x) < 4
select x
).Average();
watch.Stop();
Cons.WriteLine($"Average with Degree of Parallelism set to 4: {watch.Elapsed}");
watch.Reset();
watch.Start();
var ppRes2 = (from x in Partitioner.Create(lsData, true).AsParallel().WithDegreeOfParallelism(8)
where Math.Log(x) < 4
select x
).Average();
watch.Stop();
Cons.WriteLine($"Avergare Degree of Parallelism set to 8: {watch.Elapsed}");
watch.Reset();
watch.Start();
//Partitions
// Candellations and how to do it....
var cts = new CancellationTokenSource(); //From using System.Threading;
Task.Factory.StartNew(() =>
{
try
{
Cons.WriteLine();
Cons.WriteLine("Cancellable Query Started!");
var cRes = (from x in lsData.AsParallel().WithCancellation(cts.Token)
where Math.Log(x) < 4
select x).Average();
Cons.WriteLine($"Query not cancelled result: {cRes}");
}
catch (OperationCanceledException cex)
{
Cons.WriteLine();
Cons.Write($"Cancell message, {cex.Message}");
}
});
Cons.WriteLine("Cancell Query!");
cts.Cancel();
//Cons.Write($"Cancel ?");
//string input = Cons.ReadLine();
//if (input.ToLower().Equals("y"))
// cts.Cancel();
// Candellations and how to do it....
//Expression Trees
//Expression Trees
Cons.Write($"Press anykey to finish and close.");
Cons.ReadKey();
}
static void GroupJoin()
{
var racers = from cs in Formula1.GetChampionships()
from r in new List <RacerInfo>()
{
new RacerInfo
{
Year = cs.Year,
Position = 1,
FirstName = cs.First.FirstName(),
LastName = cs.First.LastName()
},
new RacerInfo
{
Year = cs.Year,
Position = 2,
FirstName = cs.Second.FirstName(),
LastName = cs.Second.LastName()
},
new RacerInfo
{
Year = cs.Year,
Position = 3,
FirstName = cs.Third.FirstName(),
LastName = cs.Third.LastName()
}
}
select r;
var q = (from r in Formula1.GetChampions()
join r2 in racers on
new
{
r.FirstName,
r.LastName
}
equals
new
{
r2.FirstName,
r2.LastName
}
into yearResults
select
new
{
r.FirstName,
r.LastName,
r.Wins,
r.Starts,
Results = yearResults
});
foreach (var r in q)
{
Console.WriteLine($"{r.FirstName} {r.LastName}");
foreach (var results in r.Results)
{
Console.WriteLine($"\t{results.Year} {results.Position}");
}
}
}
