江阴市城乡建设网站,房山重庆网站建设,淘宝客是怎么做代理网站的,网页版拼多多商家版任务一
请实现一个wordcount函数#xff0c;统计英文字符串中每个单词出现的次数#xff0c;通过构建defaultdict字典#xff0c;可以避免插入值时需要判断值是否存在
from collections import defaultdictdef word_count(text):#构建缓存reval defaultdict(int)words t…任务一
请实现一个wordcount函数统计英文字符串中每个单词出现的次数通过构建defaultdict字典可以避免插入值时需要判断值是否存在
from collections import defaultdictdef word_count(text):#构建缓存reval defaultdict(int)words text.strip().split()for word in words:# 清洗单词移除标点符号等cleaned_word .join(char.lower() for char in word if char.isalnum())reval[cleaned_word]1return revaltext
Got this panda plush toy for my daughters birthday,
who loves it and takes it everywhere. Its soft and
super cute, and its face has a friendly look. Its
a bit small for what I paid though. I think there
might be other options that are bigger for the
same price. It arrived a day earlier than expected,
so I got to play with it myself before I gave it
to her.
print(word_count(text))输出结果
任务二
首先是进入函数内目前缓存中有一个局部变量 首先对文本进行split 执行完函数后
