Synchronization of old projects

Part1

C#基础/test/Program.cs

@@ -0,0 +1,28 @@
+using System;
+namespace Lesson
+{
+    class Program
+    {
+        #region 知识点一 
+        #endregion
+
+        #region 知识点二
+        #endregion
+
+        #region 知识点三
+        #endregion
+
+        #region 知识点四
+        #endregion
+
+        #region 知识点五
+        #endregion
+
+        #region 知识点六
+        #endregion
+        static void Main(string[] args)
+        {
+
+        }
+    }
+}

C#基础/test/test.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>