for example, if we have a text that’s too long to display and we want to show just a portion of it. Or if we want to make an acronym by taking the first letter of each word in a phrase. We can do that through an operation calledstring indexing.This...
classSecretString:"""A not-at-all secure way to store a secret string."""def__init__(self, plain_string, pass_phrase): self.__plain_string = plain_string self.__pass_phrase = pass_phrasedefdecrypt(self, pass_phrase):"""Only show the string if the pass_phrase is correct."""ifpa...
2.使用负数index可以读取String中倒数的字符,index取-n时,可以取到倒数第n位的字符。e.g. phrase = "Python is great!" # last character print(phrase[phraselen - 1]) print(phrase[-1]) # thirteenth from last (fourth) character print(phrase[-13]) 1. 2. 3. 4. 5. 6. 7. 8. - phrasel...
使用正则表达式:可以使用re模块中的findall方法来找到匹配指定模式的所有单词或短语,并使用字符串的replace方法将它们替换为带有高亮样式的文本。以下是一个示例代码: 代码语言:txt 复制 import re def highlight_text(text, word): highlighted_text = re.sub(r'\b({0})\b'.format(word), r'\1', text) ...
from __doc__获取下一行数据,不存在,则报错Python 3.x已经没有改功能"""x.next() -> the next value, or raise StopIteration"""passdefread(self, size=None):#real signature unknown; restored from __doc__读取指定字节数据"""read([size]) -> read at most size bytes, returned as a string....
# import regex moduleimportre# initialize stringtext="Python !! is the be1st $$ programming language @"# using regex findall()result=len(re.findall(r"\w+",text))print("There are "+str(result)+" words.") Ausgabe: There are 6 words. ...
12. Check if a String is a Palindrome Write a Python function that checks whether a passed string is a palindrome or not. Note: A palindrome is a word, phrase, or sequence that reads the same backward as forward, e.g., madam or nurses run. ...
# Uses re.findall method def Convert(string): return re.findall('[a-zA-Z]', string) # Driver code phrase = "Coding is fun" print(Convert(phrase)) Output: 6. Using enumerate function You canuse the enumeratein-built function to convert string to list. This function is used when deal...
SequenceMatcher(None, string1, string2) 下面这个个简单的例子展示了该函数的作用: from difflib import SequenceMatcher phrase1 = "Tandrew loves Trees." phrase2 = "Tandrew loves to mount Trees." similarity = SequenceMatcher(None, phrase1, phrase2) print(similarity.ratio()) # Output: 0.816326530612...
The phraseKeyword Argumentsare often shortened tokwargsin Python documentations. Arbitrary Keyword Arguments, **kwargs If you do not know how many keyword arguments that will be passed into your function, add two asterisk:**before the parameter name in the function definition. ...