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Python统计txt文档中每个字符出现的次数！

txt文档内容

# -*- coding: utf-8 -*-#@Project filename：PythonDemo  统计文本中每个汉字的频率.py#@IDE   ：IntelliJ IDEA#@Author ：ganxiang#@Date   ：2020/03/06 0006 20:21from collections import Countertxt = open('./ReadData/你的答案.txt','r',encoding='utf-8').read()for s in "，。: 《 》 \n":#去除文本中这些特殊符号    txt=txt.replace(s,"")def count_char1():    count ={
   }    for i in txt:        if i not in count:            count[i]=1        else:            count[i]=count[i]+1    print("直接计算每个字符出现的次数：",count)def count_char2():    count1 =Counter(txt)    print("调用Counter()计算每个字符出现的次数:",count1)def count_char3():    count2 ={
   }    for char in txt:        count2.setdefault(char,0)        # print(count.setdefault(char,0))        count2[char]+=1    print("调用setdefault():计算每个字符出现的次数:",count2)if __name__ =='__main__':    count_char1()    count_char2()    count_char3()

结果展示

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