I love curiosity sparking posts like this. >>key in dct is much better than key in dct.keys() Of course, that got me curios to find out if there is a magic

I love curiosity sparking posts like this. >>key in dct is much better than key in dct.keys() Of course, that got me curios to find out if there is a magic method out there that takes advantage of keyword "in". Turns out __contains__ does that. Always exciting to stumble upon new stuff in my favorite language.