#!/usr/bin/env python
# coding=utf-8
#read_file = open("23501.txt")
#write_file = open("23502.txt", "w")
#try:
# r = read_file.readlines()
# for line in r:
# write_file.write(line)
#finally:
# read_file.close()
# write_file.close()
with open("23501.txt") as read_file, open("23503.txt", "w") as write_file:
for line in read_file.readlines():
write_file.write(line)