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问题描述

我在Python 2.7中编写了一个代码,其中我定义了一个字符串列表。然后我想要搜索这个列表的元素来获得一组字母。这些字母必须是随机的。即从输入中搜索列表中的每一个字母。
我已经google'ing周围,但我还没有找到一个解决方案。

这是我得到:

  wordlist = ['mississippi','miss','lake','que'] 

letters = str(aqk)

for wordlist中的项目:
如果item.find(字母)!= -1:
打印项目

这是一个例子。这里唯一的输出应该是'湖'和'阙',因为这些词包含一,Q和K。
我该如何重写我的代码才能完成?



感谢您!

Alex

解决方案

使用:

  wordlist = ['mississippi','miss','lake','que'] 

letters = set('aqk')

wordlist中的单词:
if letters&设置(字):
打印字

输出:

  lake 
que

注意& 运算符执行两个集合之间的交集。


I am writing a code in Python 2.7 in which I have defined a list of strings. I then want to search this list's elements for a set of letters. These letters must be in random order. i.e. search the list for every single letter from input.I have been google'ing around but i haven't found a solution.

Here's what i got:

wordlist = ['mississippi','miss','lake','que']

letters = str(aqk)

for item in wordlist:
    if item.find(letters) != -1:
        print item

This is an example. Here the only output should be 'lake' and 'que' since these words contain 'a','q' and 'k'.How can I rewrite my code so that this will be done?

Thanks in advance!

Alex

解决方案

It would be easy using set():

wordlist = ['mississippi','miss','lake','que']

letters = set('aqk')

for word in wordlist:
    if letters & set(word):
        print word

Output:

lake
que

Note: The & operator does an intersection between the two sets.

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09-02 15:48