Function that takes in a string of words and returns the subset of palindromes

isolate_palindromes.py

def isolate_palindromes(words: str) -> str:
    """Takes in a string of words and returns the subset of palindromes

    Args:
        words (str): string of words, e.g. "bar kaak"

    Returns:
        str: any palindromes within the string of words passed, e.g. "kaak"
    """

    return [word for word in words.split() if word == word[::-1]]


# Replace the value of this contant with the one you want to use
WORDS = "ballot kayak rat racecar hellcat"

print(isolate_palindromes(WORDS))