Words Containing Characters #interviewquestions #pythoninterviewquestions #dataengineers #faang

Python Question 72:
Words Containing Characters

Video 205: In this video, we are going to find the words containing a specific character.

You are given a array of strings words and a character x. Return an array of indices representing the words that contain the character x.

In this video, we explore four different approaches to solving the problem of finding indices of words in an array that contain a specific character. Let's dive into each approach:

*** Approach 1: Using range() Function ***
In this approach, we iterate through the indices of the words array using the range() function. We then check if the character x exists in each word, and if it does, we append the index of that word to our result list.

*** Approach 2: List Comprehension with range() Function ***
Similar to the first approach, we use a list comprehension to iterate through the indices of the words array. We construct the result list directly within the list comprehension, eliminating the need for a separate loop.

*** Approach 3: Using enumerate() Function ***
In this approach, we use the enumerate() function to iterate through both the indices and the values of the words array simultaneously. This allows us to directly access the index of each word along with its value. We then check if the character x exists in each word and append the index to our result list accordingly.

*** Approach 4: List Comprehension with enumerate() Function ***
Similar to the third approach, we use a list comprehension along with the enumerate() function to iterate through the indices and values of the words array. We construct the result list directly within the list comprehension, simplifying the code.

For a comprehensive understanding and practical demonstration, be sure to watch the entire video. Happy coding!

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