Learn how to find all the indexes of a word's occurrences in a string in Python. Explore techniques using find(), index(), and list comprehensions for efficient searching.
string = "Hello, world! world is beautiful." positions = [] while True: (tab)pos = string.find("world") (tab)if pos == -1: (2tab)break (tab)positions.append(pos) print(positions) # 输出:[7, 18]判断子字符串是否存在于另一个字符串中 使用find函数返回的结果判断子字符...
Write a Python program to extract all words that are exactly five characters long from a given string. Write a Python script to search for five-letter words in a text and then output them in a list. Write a Python program to find and print all unique five-letter words in a paragraph. ...
When it is required to find the length of the last word in a string, a method is defined that removes the extra empty spaces in a string, and iterates through the string. It iterates until the last word has been found. Then, its length is found and returned as output. Example Below...
In this article, we show how to find the number of words or sentences in a string in Python using the NLTK module.
# Python program to find uncommon words from two string,# Getting strings as input from the userstr1=input('Enter first string : ')str2=input('Enter second string : ')# finding uncommon wordscount={}forwordinstr1.split():count[word]=count.get(word,0)+1forwordinstr2.split():count[wo...
Python Code: # Create a list 'texts' containing stringstexts=["php","w3r","Python","abcd","Java","aaa"]# Display a message indicating that the following output will show the original list of stringsprint("Orginal list of strings:")print(texts)# Print the contents of the 'texts' list...
This is a modal window. No compatible source was found for this media. How to match a particular word in a string using Pattern class in Java? Java program to count occurrences of a word in string Program to replace all the characters in of a file with '#' except a particular word in...
Python: Find the longest word in a string I'm preparing for an exam but I'm having difficulties with one past-paper question. Given a string containing a sentence, I want to find the longest word in that sentence and return that word and its ... ...
python find从后向前查找 python从后往前遍历字符串 字符串是字符的序列 使用方括号运算符逐一访问每个字符。方括号里的表达式称为索引。 >>> fruit = 'banana' >>> letter = fruit[1] 1. 2. 在Python中, 索引是从字符串头部算起的一个偏移量, 第一个字母的...