词频统计_word count进行词频统计

%%writefile 词频统计.py
# 打开并读取文件
file = open(r'C:\Users\Administrator\Desktop\Walden.txt','r')
# file.read()  # 字符串
lines = file.readlines()
lines # 字符串
# 要把每行拆成单词
words = []

for line in lines:
    tmp_list =line.split(" ")
    for word in tmp_list:
        words.append(word.replace(',','').replace('.','').replace('"','').replace(':',''))
words
# 对words中每一个元素计算他出现的个数
# 把统计结果保存到字典中，字典的key是单词，value是单词出现的次数
word_count = {}
word_set = set(words)
for word in word_set:
    count_num = words.count(word)
    word_count[word] = count_num
    
word_count
# 对word——count字典进行排序，按照出现的次数（value）进行降序排序
sorted(word_count.items(),key=lambda item:item[1],reverse=True)
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Writing 词频统计.py
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