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Python - Eliminate Capital Letter Starting words from String

Extract words starting with K in String List – Python

Last Updated : 05 Dec, 2024

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In this article, we will explore various methods to extract words starting with K in String List. The simplest way to do is by using a loop.

Using a Loop

We use a loop (for loop) to iterate through each word in the list and check if it starts with the exact character (case-sensitive) provided in the variable.

Python

a = ["Kite", "Apple", "King", "Banana", "Kangaroo", "cat"]  # Character to match (case-sensitive) K = 'K'  # List to store words starting with given character res = []  # Loop through the list and check # if the word starts with character K for word in a:     if word.startswith(K):          res.append(word)  print(f"Words starting with '{K}':", res)

Output

Words starting with 'K': ['Kite', 'King', 'Kangaroo']

Explanation:

word.startswith(K): Checks if word starts with the character stored in K without any case modification.
Only the words that exactly match the case of K will be included in the result.

Let’s explore other different methods:

Table of Content

Using List Comprehension
Using filter() Function

Using List Comprehension

List comprehension is a more concise and Pythonic approach to extract words starting with the specified character (case-sensitive).

Python

a = ["Kite", "Apple", "King", "Banana", "Kangaroo", "cat"]  # Character to match (case-sensitive) K = 'K'  # Using list comprehension to extract words # starting with the character K res = [word for word in a if word.startswith(K)]  print(f"Words starting with '{K}':", res)

Output

Words starting with 'K': ['Kite', 'King', 'Kangaroo']

Using filter() Function

filter() function provides a functional programming approach to filter out words starting with the given character (case-sensitive).

Python

a = ["Kite", "Apple", "King", "Banana", "Kangaroo", "cat"]  # Character to match (case-sensitive) K = 'K'  # Using filter() and lambda function to extract # words starting with the character K res = list(filter(lambda word: word.startswith(K), a))  print(f"Words starting with '{K}':", res)

Output

Words starting with 'K': ['Kite', 'King', 'Kangaroo']

Explanation:

filter() applies the lambda function to each word in the list a.
lambda word: word.startswith(K) checks if the word starts with the exact character stored in K.

Python - Eliminate Capital Letter Starting words from String

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Article Tags :

Python
Python Programs
Python list-programs
Python string-programs

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