python 统计序列中元素出现的频度，及最高的三个值

Posted 2021-05-09

import re
txt = open('CodingStyle').read()
# 内容分割,进行词频统计
c3 = Counter(re.split('\W+',txt))
# 统计词频最高10个词
c3.most_common(10)

from collections import Counter
# 统计词频
c2 = Counter(data)
# 出现频度最高的n个值
c2.most_common(3)

from random import randint
data = [randint(0,20) for _ in range(30)]
c = dict.fromkeys(data,0)
for x in data:
  c[x] += 1