Not only does LINQPad let you do lots of nifty things with LINQ, it also has C# and VB.NET scratchpad facilities all for the low price of nothing (an Intellisense licence for LINQPad is available for a small cost).
I had some problems with the Logitech MX Master 3S Mouse with an M1 MacBook Pro, but I had better luck with a Logitech G502 X Mouse