text: #!/usr/bin/python
  #-*- coding: utf-8 -*-
  
  import os
  
  def countBug():
  	infoList = [infoFile for infoFile in os.listdir() if "nfo.txt" in infoFile]
  	lineNum = 0
  	for file in infoList:
  		f = open(file, "r")
  		lineNum += len(f.readlines())
  		f.close()
  	print(lineNum)
  
  countBug()