k): dic = {word:string.count(word) for word in re.findall(r'[\w]+',string)} ...
Strings can beconcatenatedto build longer strings using the plus sign and also they can bemultipliedby a number, which results in the continuous repetition of the string as many times as the number indicates. Also, if we want to find out thelengthof the string, we simply have to use thelen...
new_string="".join(lst).split()returnnew_string src='/tmp/sample.txt'dic={} with open(src,'r') as f:#f.readlines()forlineinf: words_list=line.lower().split()forwordinwords_list:#str in listword = makekey(word)#return listforwordsinword:ifwordsindic.keys(): dic[words]+=1else...
19 """Test count_words() with some inputs.""" 20 print(count_words("cat bat mat cat bat cat", 3)) 21 print(count_words("betty bought a bit of butter but the butter was bitter", 4)) 22 23 24 if __name__ == '__main__': 25 test_run() 1. 2. 3. 4. 5. 6. 7. ...
import re with open('test.txt','r')as f: data = f.read() result = re.findall(r"[^a-zA-Z]+",data) print("the number of words in the file is: %s" % len(result)) 结果是150? import re def get_num(): num = 0 f = open('test.txt', 'r') for line in f.readlines...
setStopWords(add_stopwords) # bag of words count countVectors = CountVectorizer(inputCol="filtered", outputCol="features", vocabSize=10000, minDF=5) StringIndexer StringIndexer将一列字符串label编码为一列索引号(从0到label种类数-1),根据label出现的频率排序,最频繁出现的label的index为0。 在该例子中...
In [69]: help(f1.seek) Help on built-in function seek: seek(...) seek(offset[, whence]) -> None. Move to new file position. #offse 偏移量,默认是0 whence从什么位置偏移,0表示从文件头开始偏移,1表示从当前位置开始偏移,2表示从文件尾开始偏移,默认是0 Argument offset is a byte count. ...
第二步声明创建wordcloud对象,里面传入参数font_path,mask,max_words,max_font_size。分别代表字体格式路径,绘制词云的背景图,词云最多显示词数,字体最大值。 第三步调用generate_from_frequencies方法,参数为上一篇中统计词频的字典count。 第四步调用to_file方法保存生成的词云图片 最后效果 还可以将u0.jpg换成更...
currentWORD=sentences[wordIDX]ifcurrentWORDnotinwordLIST: wordLIST.append(currentWORD) fid.close()foriinrange(len(testFiles)): videoName=testFiles[i]print(i,'|', len(testFiles),'==>> videoName:', videoName) videoPath= TNL2k_test_path + videoName +'/'language_txt_path= videoPath +...
tuples where each tuple contains a string from the words list, and an integer representing its frequency count in the list. Args: words (list): A list of words (strings) in any order. Returns: corpus (list[tuple(str, int)]): A list of tuples where the ...