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Palindrome Code Challenge
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Palindrome Code Challenge

MediumPython

Problem

Write code to find palindrome words.

Implement find_palindrome_words(words), returning the original words that are palindromes when compared case-insensitively after removing non-alphanumeric characters. Preserve input order and spelling. Ignore entries that contain no alphanumeric characters.

Function: find_palindrome_words(words)

Input: A list of strings. Output: A list of matching original strings.

Constraints

  • 1 <= len(words) <= 10^4
  • 1 <= len(words[i]) <= 10^3
  • Each entry is a string
  • Matching is case-insensitive
  • Non-alphanumeric characters are ignored
  • Entries with no alphanumeric characters are excluded

Function Signature

def find_palindrome_words(words):
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