Upload project.

Technical-Test/Program.cs

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+using System;
+
+namespace Technical_Test
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+        }
+    }
+}

Technical-Test/Technical-Test.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RootNamespace>Technical_Test</RootNamespace>
+  </PropertyGroup>
+
+</Project>