Python-查找给定文件中出现n次的单词列表

时间:2018-10-26 13:47:23

标签: python python-3.x list counter

我想找到在给定文件中出现过n次(例如200次)的单词列表。为此,我使用以下代码获取文件中的每个唯一标记,但我不明白如何在出现n次的情况下获取这些唯一标记。

from collections import Counter
import re

seen = list()
words = re.findall(r'[\w+]+', open('deneme.txt').read())
seen = Counter(words).most_common()

输出为:

[('Erke', 4), ('aç+Noun', 4), ('Antalya', 3), ('123', 3), ('ol+Verb', 3), ('Varol', 2), ('Koleji', 1), ('asdfsdf', 1), ('birak+Verb', 1)]

例如,我想获得3次的令牌。我该如何实现。我无法达到列表中的出现次数。

1 个答案:

答案 0 :(得分:5)

您可以使用list comprehension

from collections import Counter
import re

seen = list()
words = re.findall(r'[\w+]+', open('deneme.txt').read())
seen = Counter(words).most_common()

print([w for w, c in seen if c == 3])

输出

 ['123', 'Antalya', 'ol+Verb']