<pre><code class="lang-csharp">List&lt;string&gt; first3DaysOfWeek =
 ["Sunday", "Monday", "Tuedsay"];
 List&lt;string&gt; Last2DaysOfWeek =
 ["Thursday", "Friday", "Saturday"];
 List&lt;string&gt; allDaysOfWeek = [..first3DaysOfWeek, "Wednesday", ..Last2DaysOfWeek];
allDaysOfWeek.Dump();
</code></pre>
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1698817103236/12e5f38c-39c7-42af-8377-d4831dececd0.png" alt class="image--center mx-auto" />

```csharp
List<string> first3DaysOfWeek =
 ["Sunday", "Monday", "Tuedsay"];
 List<string> Last2DaysOfWeek =
 ["Thursday", "Friday", "Saturday"];
 List<string> allDaysOfWeek = [..first3DaysOfWeek, "Wednesday", ..Last2DaysOfWeek];
allDaysOfWeek.Dump();
```

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1698817103236/12e5f38c-39c7-42af-8377-d4831dececd0.png align="center")

C# 12: Cool Feature

C# is getting more concise with every new release. #csharp12