将网上搜索到的代理IP地址列表写入ip.txt文件中，执行testproxy.py程序，即可筛选出可用的代理IP地址-The online search to proxy IP address list written ip.txt file, execute testproxy.py program, you can filter the IP address of the proxy available

处理C语言程序，过滤掉无用内容，判断源程序中单词的合法性，并分解出正确的单词，以二元组形式放在文件中。(Deal with C language program, filter out the useless content, judge the validity of the word in the source program, and decompose the correct word, put it into the file in the form of two tuples)