santosh poojari poojarsn

## JoinAndSetOperation.cs
namespace FileProcessor
{
    class Program
    {
        static void Main(string[] args)
        {
            JoinNamesAndAges();

            SetOperations();

## ImmutableDictionary.cs
public class AppData
	{
		public ImmutableArray<Country> AllCountries { get; private set; }
		public ImmutableDictionary<CountryCode, Country> AllCountriesByKey
		{ get; private set; }

		public void Initialize(string csvFilePath)
		{
			CsvReader reader = new CsvReader(csvFilePath);
			var countries = reader.ReadAllCountries().OrderBy(x=>x.Name).ToList();

## dictionary.cs
public class AppData
	{
		public List<Country> AllCountries { get; private set; }
		public Dictionary<CountryCode, Country> AllCountriesByKey { get; private set; }
		public void Initialize(string csvFilePath)
		{
			CsvReader reader = new CsvReader(csvFilePath);
			this.AllCountries = reader.ReadAllCountries().OrderBy(x => x.Name).ToList();
			var dict = AllCountries.ToDictionary(x => x.Code);
			this.AllCountriesByKey = dict;

## Population.csv

          
            Country Name
             Country Code
             Continent
             Population 2017

            
              China
              CHN
              Asia
              1386395000

            
              India
              IND
              Asia
              1339180127

            
              United States
              USA
              North America
              325719178

            
              Indonesia
              IDN
              Asia
              263991379

            
              Brazil
              BRA
              South America
              209288278

            
              Pakistan
              PAK
              Asia
              197015955

            
              Nigeria
              NGA
              Africa
              190886311

            
              Bangladesh
              BGD
              Asia
              164669751

            
              Russian Federation
              RUS
              Europe
              144495044

## readCsv.cs
public class AppData
	{
		public List<Country> AllCountries { get; private set; }
		public void Initialize(string csvFilePath)
		{
			CsvReader reader = new CsvReader(csvFilePath);
			this.AllCountries = reader.ReadAllCountries();

			// during the module, the above line is changed to
			//this.AllCountries = reader.ReadAllCountries().OrderBy(x=>x.Name).ToList();

## CompareArray.cs
using System;
public class Program
{
  public static void Main()
  {
    DateTime[] bankHols1 ={
				new DateTime(2021, 1, 1),
				new DateTime(2021, 4, 2),
				new DateTime(2021, 4, 5)
			};

## LocalMethod.cs
using System;

public class Program
{
  public static void Main()
  {
     ProcessMyStringTuple("san");

     void ProcessMyStringTuple(string name)
      {

## LocalMethod.cs
using System;

public class Program
{
  public static void Main()
  {
     ProcessMyStringTuple("san");

     void ProcessMyStringTuple(string name)
      {

## TupleOutputMethod.cs
using System;
using System.Collections.Generic;
using System.Linq;

public class Program
{
  public static void Main()
  {
     var result = ProcessMyStringTuple("san");
     Console.WriteLine($"Length :{result.length} , Name in Upper case : {result.upperCaseName}");

## GuessGame
<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
</head>
<body>
    <div style="text-align:center">
        <h1> ESP Test</h1>
	namespace FileProcessor
	{
	class Program
	{
	static void Main(string[] args)
	{
	JoinNamesAndAges();

	SetOperations();
	public class AppData
	{
	public ImmutableArray<Country> AllCountries { get; private set; }
	public ImmutableDictionary<CountryCode, Country> AllCountriesByKey
	{ get; private set; }

	public void Initialize(string csvFilePath)
	{
	CsvReader reader = new CsvReader(csvFilePath);
	var countries = reader.ReadAllCountries().OrderBy(x=>x.Name).ToList();
	public class AppData
	{
	public List<Country> AllCountries { get; private set; }
	public Dictionary<CountryCode, Country> AllCountriesByKey { get; private set; }
	public void Initialize(string csvFilePath)
	{
	CsvReader reader = new CsvReader(csvFilePath);
	this.AllCountries = reader.ReadAllCountries().OrderBy(x => x.Name).ToList();
	var dict = AllCountries.ToDictionary(x => x.Code);
	this.AllCountriesByKey = dict;
Country Name	Country Code	Continent	Population 2017
China	CHN	Asia	1386395000
India	IND	Asia	1339180127
United States	USA	North America	325719178
Indonesia	IDN	Asia	263991379
Brazil	BRA	South America	209288278
Pakistan	PAK	Asia	197015955
Nigeria	NGA	Africa	190886311
Bangladesh	BGD	Asia	164669751
Russian Federation	RUS	Europe	144495044
	using System;
	public class Program
	{
	public static void Main()
	{
	DateTime[] bankHols1 ={
	new DateTime(2021, 1, 1),
	new DateTime(2021, 4, 2),
	new DateTime(2021, 4, 5)
	};
	using System;
	using System.Collections.Generic;
	using System.Linq;

	public class Program
	{
	public static void Main()
	{
	var result = ProcessMyStringTuple("san");
	Console.WriteLine($"Length :{result.length} , Name in Upper case : {result.upperCaseName}");
	<!DOCTYPE html>

	<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta charset="utf-8" />
	<title></title>
	</head>
	<body>
	<div style="text-align:center">
	<h1> ESP Test</h1>