python实现统计文本中单词出现的频率详解

#coding=utf-8
import os
from collections import Counter
sumsdata=[]
for fname in os.listdir(os.getcwd()):
  if os.path.isfile(fname) and fname.endswith('.txt'):
    with open(fname,'r') as fp:
      data=fp.readlines()
    sumsdata+=[line.strip().lower() for line in data]
cnt=Counter()
for word in sumsdata:
  cnt[word]+=1
cnt=dict(cnt)
for key,value in cnt.items():
  print(key+":"+str(value))