Merge pull request #34047 from ShawnKupfer/WB887

AB#819205 - Fix extraneous exclamation mark in code per cx feedback

Author: prmerger-automator[bot]

learn-pr/wwl-language/csharp-basic-formatting/includes/4-exercise-string-interpolation.md

@@ -71,7 +71,7 @@ Just as you did in the previous exercise, you can eliminate the temporary variab
     ```c#
     int version = 11;
     string updateText = "Update to Windows";
-    Console.WriteLine($"{updateText} {version}!");
+    Console.WriteLine($"{updateText} {version}");
     ```
 
 1. Now, run the code. The result in the output console should be the same even if you simplified the code: