Python: Remove Vowels from a String | Python Interview Questions | DE Interview Questions | FAANG

Video 185: In this video, we are going to remove vowels from the given string.

We are given a string s and asked to remove all the vowels from the string and return a new string.

In this video, we explore two different approaches to remove vowels from a string in Python.

*** Approach 1: General FOR loop ***
In this approach, we initialize an empty string output and a set chk containing the vowels 'a', 'e', 'i', 'o', and 'u'. We then iterate through each character in the input string s. If the lowercase version of the character is not in the set of vowels, we append it to the output string. Finally, we return the output string without the vowels.

*** Approach 2: List comprehension way ***
In this approach, we use a list comprehension to iterate through each character in the input string s. We check if the lowercase version of the character is not in the set of vowels using a conditional expression. If the condition is true, the character is included in the list. Finally, we use the join() method to concatenate the characters in the list into a single string without vowels.

Both approaches achieve the same result: removing vowels from the input string while maintaining the order of the remaining characters. However, the second approach uses a more concise and Pythonic syntax, leveraging the power of list comprehensions.

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

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