• Fuck yea!!! Solved in one line!

Question related to mission The Most Wanted Letter

 

def checkio(text):return max([(text.lower().count(i)-0.001*ord(i),i) for i in "abcdefghijklmnopqrstuvwxyz" if text.lower().count(i)])[1]

However it is not python way to write such brainfucking code. But it was funny)))