找出已放入列表的句子中的所有标点符号答案

【问题标题】：Find out all the punctuations in a sentence that has been put into a list找出已放入列表的句子中的所有标点符号
【发布时间】：2016-10-08 16:26:24
【问题描述】：

我有这个变量：

Words = ["Hi",".","how","are","you","?","I","feel","like","I","could",",","do","better"]

从这里我想要一个变量，它可以找到所有标点符号并将其放入一个列表中。像这样：

Punctuations = [".","?",","]

【问题讨论】：

方法有很多，有没有尝试过？
我使用了string.punctuation方法

标签： python list punctuation

【解决方案1】：

您可以使用string.punctuation来识别标点符号：

from string import punctuation
punctuations = [w for w in words if w in punctuation]

【讨论】：

【解决方案2】：

使用re.findall函数的解决方案：

import re

Words = ["Hi",".","how","are","you","?","I","feel","like","I","could",",","do","better"]
Punctuations = re.findall("[^\w\s]+", ''.join(Words))

print(Punctuations)  # ['.', '?', ',']

【讨论】：