python get all files of desired type from a directory

'''
   This code use for get all files of desired type from a directory
'''
import os

directory="C:/inputFolder/"
fileType=".doc"
files=[]
files=os.listdir(directory)
fileCounter=0
for fileName in files:
    if fileName.endswith(fileType):
        fileCounter=fileCounter+1
        print fileName
if fileCounter==0:
    print "No doc file found at ",directory