#!/usr/bin/python3
# -*- coding: utf-8 -*-
# 讨论钉钉免费群21745728 qq群144081101 567351477
# CreateDate: 2018-11-10

f = open("china-testing.github.io.txt","w+")
for i in range(10):
     f.write("This is line %d\n" % (i+1))
f.close()