文件方式实现完整的英文词频统计实例

1.读入待分析的字符串

2.分解提取单词

3.计数字典

4.排除语法型词汇

5.排序

6.输出TOP(20)

fo=open('C:/1.txt','r')
w=fo.read()
 
w=w.lower() 
for i in ',.':
    w=w.replace(i,' ')  
words=w.split() 
print(words)
 
dic={} 
keys=set(words)
print(keys)
 
for i in keys:
    dic[i]=words.count(i) 
print(dic)
 
wc = list(dic.items())
 
wc.sort(key=lambda x:x[1],reverse=True)
print(wc)

print('TOP20：\n')
for i in range(20):
    print(wc[i])
fo.close()