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diff --git a/challenge-255/lubos-kolouch/python/ch-2.py b/challenge-255/lubos-kolouch/python/ch-2.py
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+++ b/challenge-255/lubos-kolouch/python/ch-2.py
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+def most_frequent_word(p: str, w: str) -> str:
+    """
+    Find the most frequent word in a paragraph excluding a specific word.
+
+    :param p: Paragraph as a string.
+    :param w: Banned word.
+    :return: Most frequent word.
+    """
+    import re
+    from collections import Counter
+
+    # Clean and split the paragraph into words
+    words = re.findall(r"\w+", p.lower())
+
+    # Count the frequency of each word, excluding the banned word
+    word_count = Counter(words)
+    if w in word_count:
+        del word_count[w]
+
+    # Find the most frequent word
+    most_frequent = word_count.most_common(1)[0][0]
+
+    return most_frequent
+
+
+# Test cases
+print(
+    most_frequent_word("Joe hit a ball, the hit ball flew far after it was hit.", "hit")
+)
+print(
+    most_frequent_word(
+        "Perl and Raku belong to the same family. Perl is the most popular language in the weekly challenge.",
+        "the",
+    )
+)