text: from itertools import *
  
  data = """Burning 'em, if you ain't quick and nimble
  I go crazy when I hear a cymbal"""
  
  key = cycle("ICE")
  
  enc = ''.join(chr(ord(a) ^ ord(b)) for a, b in zip(data, key))
  
  print enc == '0b3637272a2b2e63622c2e69692a23693a2a3c6324202d623d63343c2a26226324272765272a282b2f20430a652e2c652a3124333a653e2b2027630c692b20283165286326302e27282f'.decode('hex')
  