letters = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'] import sys def caesar(input): for i in range(0,len(letters)-1): print "> %d"%(i) for l in input: sys.stdout.write(letters[(letters.index(l)+i)%len(letters)]) print ""