#!/usr/bin/python
# -*- coding: utf-8 -*-

def splitParagraphIntoSentences(paragraph):
    ''' break a paragraph into sentences
        and return a list '''
    import re
    # to split by multile characters

    sentenceEnders = re.compile('[.!?]')
    sentenceList = sentenceEnders.split(paragraph)
    return sentenceList

with open("how_2_use_drill.txt", "r" ) as source:
	for line in source:	
		sentences = splitParagraphIntoSentences(line)
	   	for s in sentences:
	    		print s.strip()

def splitParagraphIntoSentences(paragraph):
	print