摘要： example: http://xyzp.haitou.cc/article/722427.html首先是直接下载好每个页面，可以使用 os.system( "wget "+str(url)) 或者urllib2.urlopen(url) ，很简单不赘述。然后，重头戏，进行信息抽取：#!/usr/... 阅读全文

摘要： https://leetcode.com/problems/word-frequency/Write a bash script to calculate the frequency of each word in a text filewords.txt.For simplicity sake, ... 阅读全文

摘要： https://leetcode.com/problems/move-zeroes/Given an arraynums, write a function to move all0's to the end of it while maintaining the relative order of... 阅读全文