Write a Python program to remove words from a string of length between 1 and a given number. Sample Solution: Python Code: importre text="The quick brown fox jumps over the lazy dog."# remove words between 1 and 3shortword=re.compile(r'\W*\b\w{1,3}\b')print(shortword.sub('',...
(word): for letter in word: if letter in invalid_chars: return False return Truedef clean_text(text): text = text.split(' ') # Convert text to a list of words text_clean = '' for word in text: if if_clean(word): text_clean = text_clean+' '+word return text_clean[1:]# ...
Write a Python program to remove duplicate words from a given list of strings. Sample Solution: Python Code: # Define a function 'unique_list' that removes duplicates from a listdefunique_list(l):# Create an empty list 'temp' to store unique elementstemp=[]# Iterate through the elements ...
Thestrip()method is useful when dealing with user input as it gets rid of surrounding spaces in the string. This means it doesn’t just remove spaces, it also removes tabs and new line characters, which are all characters we don’t usually want in user-provided strings. There are two mo...
importnltkfromnltk.tokenizeimportword_tokenize text="Hello, World! This is a sample text."# 分词tokens=word_tokenize(text)# 删除标点符号words=[wordforwordintokensifword.isalpha()]# 删除停用词stopwords=nltk.corpus.stopwords.words("english")filtered_words=[wordforwordinwordsifwordnotinstopwords]# ...
276 If chars is given and not None, remove characters in chars instead. 277 278 """ 279 return s.rstrip(chars) 280 281 282 # Split a string into a list of space/tab-separated words 283 def split(s, sep=None, maxsplit=-1): 284 """split(s [,sep [,maxsplit]]) -> list of ...
for c in string.punctuation: s=s.replace(c,"") return s print"sets :",timeit.Timer('f(s)', 'from __main__ import s,test_set as f').timeit(1000000) print"regex :",timeit.Timer('f(s)', 'from __main__ import s,test_re as f').timeit(1000000) ...
split_words = sentence.split(', ') print(split_words) #输出['Hello', 'World!'] 11、字符串对齐操作 字符串rjust()、ljust()和center()对齐文本,通常通过插入空格来实现文本的对齐,也可以在方法中指定插入的字符。 string = "Hello" # rjust() 用 "*" 右对齐 print(string.rjust(10, '*')) ...
a nice string representation of the object. | If the argument is a string, the return value is the same object. | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...) | x.__add__(y) <==> x+y | | __contains__(...) | x...
| Return a copy of the string S with trailing whitespace removed. | If chars is given and not None, remove characters in chars instead. | | split(...) | S.split(sep=None, maxsplit=-1) -> list of strings | | Return a list of the words in S, using sep as the ...