feat: ✨ Add Lecture

.gitignore

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+bin/
+obj/
+/packages/
+riderModule.iml
+/_ReSharper.Caches/

.idea/.idea.LectureLinq/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/contentModel.xml
+/.idea.LectureLinq.iml
+/modules.xml
+/projectSettingsUpdater.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.idea.LectureLinq/.idea/encodings.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>

.idea/.idea.LectureLinq/.idea/indexLayout.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>

.idea/.idea.LectureLinq/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

LectureLinq.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LectureLinq", "LectureLinq\LectureLinq.csproj", "{C312AD6D-7757-42CF-9339-8749DE02AF12}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C312AD6D-7757-42CF-9339-8749DE02AF12}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C312AD6D-7757-42CF-9339-8749DE02AF12}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C312AD6D-7757-42CF-9339-8749DE02AF12}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C312AD6D-7757-42CF-9339-8749DE02AF12}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

LectureLinq/LectureLinq.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

LectureLinq/Program.cs

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+namespace LectureLinq;
+
+public static class Program
+{
+    public static void Main()
+    {
+        int[] scores = {24, 232, 354, 35, 46, 57, 68, 79, 80, 91, 102, 113, 124, 135, 146, 157, 168, 179, 190, 201, 212, 223, 234, 245, 256, 267, 278, 289, 300};
+
+        var query =
+            from score in scores // Select the data from the collection
+            where score % 2 == 0 && score.ToString().Contains("4") // Filter the data
+            orderby score descending // Order the data in descending order
+            select score; // Select the data to be returned
+        foreach (var i in query)
+        {
+            Console.WriteLine(i);
+        }
+    }
+}