计算某一个文件的行数

#_*_coding:utf_8_import sysimport os'''计算某一个文件的行数'''def countFileLines(filename):    count = 0    try:        handle = open(filename, 'r')        for eachline in handle:            count += 1    except IOError, e:        print 'file open error', e    print count    return countcountFileLines('D:/study/practice/algorithm/sort.cpp')