Jun 9, 2015 · Use a list comprehension to collect the indexes of your wanted string: >>> list_of_strings = ['Hello!, my name is Carl', 'Hello!, my name is Steve', 'Hello!, my name is …

Jan 7, 2025 · In this article, we’ll explore several methods to find a string in a list, starting from the most efficient to the least. The ‘in’ operator is the simplest and fastest way to check if a string …

Feb 8, 2013 · One way would be to build a prefix tree out of the keyword list. Then you can iterate through the long string character per character. At each iteration you try to find in the prefix …

Feb 28, 2020 · Find a String in a List in Python. There are three ways to find a string in a list in Python. They’re as follows: With the in operator in Python; Using list comprehension to find …

Feb 22, 2019 · Use the setdefault() method. This solution should give you a dictionary of all the word lengths mapped to their respective words. CODE. key = len(ele) dict1.setdefault(key, []) …

Apr 1, 2021 · 5 Ways With Examples to Find The String In List in Python. 1. Using Simple For Loop; 2. Using in operator to Find The String List in Python; 3. Using count() function; 4. Using …

Feb 25, 2025 · Learn how to find strings in a Python list using methods like in operator, count(), and custom logic. Explore examples, handle errors, and debug issues.

Mar 5, 2024 · For instance, given the list ['python', 42, True, 'list', 'string'], we want to verify the presence of the string ‘string’ and retrieve its index within the list if it exists. This method …

Apr 5, 2025 · Python's in keyword provides a more concise way to check if a string is present in a list. print(f"{target_string} was found in the list.") print(f"{target_string} was not found in the …

In this first example, we will use the in operator and the conditional if statement to determine if the search string exists in the list: print(True) else: print(False) # True. The above example checks …