diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 2ca528e..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,23 +0,0 @@
-bin/
-obj/
-/packages/
-riderModule.iml
-/_ReSharper.Caches/
-
-# Rider
-.idea/
-*.sln.iml
-*.csproj.iml
-*.sln.DotSettings.user
-*.csproj.DotSettings.user
-*.sln.DotSettings
-*.csproj.DotSettings
-*.sln.DotSettings.user.DotSettings
-*.csproj.DotSettings.user.DotSettings
-*.sln.DotSettings.user.DotSettings.user
-
-/Tests/bin/
-/Tests/obj/
-
-/Lecture/bin/
-/Lecture/obj/
\ No newline at end of file
diff --git a/.idea/.idea.LectureTestingandDebug/.idea/.gitignore b/.idea/.idea.LectureTestingandDebug/.idea/.gitignore
deleted file mode 100644
index d261414..0000000
--- a/.idea/.idea.LectureTestingandDebug/.idea/.gitignore
+++ /dev/null
@@ -1,13 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
-# Rider ignored files
-/projectSettingsUpdater.xml
-/contentModel.xml
-/modules.xml
-/.idea.LectureTestingandDebug.iml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml
diff --git a/.idea/.idea.LectureTestingandDebug/.idea/encodings.xml b/.idea/.idea.LectureTestingandDebug/.idea/encodings.xml
deleted file mode 100644
index df87cf9..0000000
--- a/.idea/.idea.LectureTestingandDebug/.idea/encodings.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
-</project>
\ No newline at end of file
diff --git a/Lecture/Exercises/Conversion.cs b/Lecture/Exercises/Conversion.cs
deleted file mode 100644
index 9980e9b..0000000
--- a/Lecture/Exercises/Conversion.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-namespace Lecture.Exercises;
-
-public class Conversion
-{
-    public static int StringToInt(string number)
-    {
-        int res = 0;
-
-        for (int i = 0; i < 6; i++)
-        {
-            res = res * 10 + int.Parse(number[i].ToString());
-        }
-        
-        return res;
-    }
-}
\ No newline at end of file
diff --git a/Lecture/Lecture.csproj b/Lecture/Lecture.csproj
deleted file mode 100644
index 2b14c81..0000000
--- a/Lecture/Lecture.csproj
+++ /dev/null
@@ -1,10 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <OutputType>Exe</OutputType>
-        <TargetFramework>net7.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-    </PropertyGroup>
-
-</Project>
diff --git a/Lecture/Program.cs b/Lecture/Program.cs
deleted file mode 100644
index fa620ca..0000000
--- a/Lecture/Program.cs
+++ /dev/null
@@ -1,2 +0,0 @@
-Console.WriteLine(Lecture.Exercises.Conversion.StringToInt("123456"));
-Console.WriteLine(Lecture.Exercises.Conversion.StringToInt("342523"));
\ No newline at end of file
diff --git a/LectureTestingandDebug.sln b/LectureTestingandDebug.sln
deleted file mode 100644
index 267e821..0000000
--- a/LectureTestingandDebug.sln
+++ /dev/null
@@ -1,22 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lecture", "Lecture\Lecture.csproj", "{766C00F5-5826-4FB9-B209-76C4208C7E57}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests", "Tests\Tests.csproj", "{FEF2827B-7B2A-4DD1-B137-FA2C04914F9E}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{766C00F5-5826-4FB9-B209-76C4208C7E57}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{766C00F5-5826-4FB9-B209-76C4208C7E57}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{766C00F5-5826-4FB9-B209-76C4208C7E57}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{766C00F5-5826-4FB9-B209-76C4208C7E57}.Release|Any CPU.Build.0 = Release|Any CPU
-		{FEF2827B-7B2A-4DD1-B137-FA2C04914F9E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{FEF2827B-7B2A-4DD1-B137-FA2C04914F9E}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{FEF2827B-7B2A-4DD1-B137-FA2C04914F9E}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{FEF2827B-7B2A-4DD1-B137-FA2C04914F9E}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-EndGlobal
diff --git a/README.md b/README.md
deleted file mode 100644
index 0826216..0000000
--- a/README.md
+++ /dev/null
@@ -1 +0,0 @@
-# Programming CM about Exception and testing
diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
deleted file mode 100644
index ba8cf18..0000000
--- a/Tests/Tests.csproj
+++ /dev/null
@@ -1,25 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <Nullable>enable</Nullable>
-
-        <IsPackable>false</IsPackable>
-        <IsTestProject>true</IsTestProject>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0"/>
-        <PackageReference Include="xunit" Version="2.4.2"/>
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
-            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-            <PrivateAssets>all</PrivateAssets>
-        </PackageReference>
-        <PackageReference Include="coverlet.collector" Version="3.2.0">
-            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-            <PrivateAssets>all</PrivateAssets>
-        </PackageReference>
-    </ItemGroup>
-
-</Project>
diff --git a/Tests/UnitTest1.cs b/Tests/UnitTest1.cs
deleted file mode 100644
index 279821b..0000000
--- a/Tests/UnitTest1.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace Tests;
-
-public class UnitTest1
-{
-    [Fact]
-    public void Test1()
-    {
-    }
-}
\ No newline at end of file
diff --git a/Tests/Usings.cs b/Tests/Usings.cs
deleted file mode 100644
index 8c927eb..0000000
--- a/Tests/Usings.cs
+++ /dev/null
@@ -1 +0,0 @@
-global using Xunit;
\ No newline at end of file