import re
import collections
'''''
从文件中读取内容,统计词频
'''
def count_word(path):
result = {}
with open(path) as file_obj:
all_the_text = file_obj.read()
#大写转小写
all_the_text = all_the_text.lower()
#正则表达式替换特殊字符
all_the_text = re.sub("\"|,|\.", "", all_the_text)
for word in all_the_text.split():
if word not in result:
result[word] = 0
result[word] += 1
return result
'''''
以词频倒序
'''
def sort_by_count(d):
#字典排序
d = collections.OrderedDict(sorted(d.items(), key = lambda t: -t[1]))
return d
if __name__ == '__main__':
file_name = "..\my father.txt"
dword = count_word(file_name)
dword = sort_by_count(dword)
for key,value in dword.items():
print key + ":%d" % value