小纸条:你不需要理解做一dict键映射到给定的dictof a None;{key: None for key in string.punctuation}可以取代这是一个dict.fromkeys(string.punctuation)所有工作在C层有一个单一的呼叫。 "谢谢你shadowranger,此更新。 1myString.translate(None, string.punctuation) 啊,我试过了,但在任何情况下都不行。mys...
）"str2 = str1.translate(str.maketrans('', '', punctuation))print(str2)# 输出：Hello,World!你好世界从列表中删除标点符号列表是 Python 中最流行的内置数据类型之一。因此，我们必须了解如何从列表中删除标点符号。list1 = ["Hello,","World!","（你好，","世界！）"]defremove_punc(string): b...
nltk.word_tokenize(the_text.translate(None, string.punctuation))应该在python2中工作,而在python3中你可以在nltk.work_tokenize(the_text.translate(dict.fromkeys(string.punctuation)))中工作。 这不管用。文本没有任何变化。 NLTK假定的工作流程是先将句子标记化,然后将每个句子标记为单词。这就是为什么word_tok...
Output:In this Python string, the hyphen is at the5th position(remember, Python uses 0-based indexing). To remove the hyphen, we can take all characters before it and all characters after it, then concatenate them together. By concatenating these two substrings, we effectively remove the hyph...
' stRINg lEArn' >>> >>> str.zfill(20) #str右对齐,左边填充0 '00000000stRINg lEArn' 大小写转换 >>> str='stRINg lEArn' >>> >>> str.upper() #转大写 'STRING LEARN' >>> >>> str.lower() #转小写 'string learn' >>> >>> str.capitalize() #字符串首为大写,其余小写 ...
text="".join([stemmer.stem(word)forwordintext.split()])#删除标点符号remove_punc = re.compile(r"[%s]"%re.escape(string.punctuation)) text= remove_punc.sub('', text)#删除停止字text ="".join([wordforwordinstr(text).split()ifwordnotinSTOPWORDS])#表情符号处理emoji =demoji.findall(text...
``` # Python script to generate random text import random import string def generate_random_text(length): letters = string.ascii_letters + string.digits + string.punctuation random_text = ''.join(random.choice(letters) for i in range(length)) return random_text ``` 说明: 此Python脚本生成...
def clean_text(text): # Remove stop words stops = stopwords.words("english") text = " ".join([word for word in text.split() if word not in stops]) # Remove Special Characters text = text.translate(str.maketrans('', '', string.punctuation)) # removing the extra spaces text = re...
def remove_punctuation(tokens): tokens_without_punct = [token for token in tokens if token not in string.punctuation] return tokens_without_punct 应用该函数以删除标点符号: 代码语言:txt 复制 df['tokens_without_punct'] = df['tokens'].apply(remove_punctuation) 最后,DataFrame中的"tokens_with...
``` # Python script to generate random text import random import string def generate_random_text(length): letters = string.ascii_letters + string.digits + string.punctuation random_text = ''.join(random.choice(letters) for i in range(length)) return random_text ``` 说明: 此Python脚本生成...