Given a stream of text, add a newline after any form of end of sentence punctuation

harrisify.py

import fileinput

endOfSentence = ['.', '!', '?']

def charInWord(word):
  for char in endOfSentence:
    if char in word:
      return True
  return False


for line in fileinput.input():
  for word in line.split():
    if charInWord(word):
      print word
    else:
      print word,