Scala repl- takes a few secs to start because it's jvm but after that you have a very powerful langauge with huge stdlib. No time to open and editor and compile and run for small stuff.
A lot of flattening is also how you report numbers. If you die while you have corona and some other disease- Germany blames it on the other disease 100% and USA on corona 100%. I wonder how India and this particular indian state is doing it.
What are you talking about? TDS is very very real and very very serious. You can say anything negative about him here too but anything positive becomes political and gets removed by the intellectual mods.