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Find the Longest Word in a Sentence in Python

Splits a sentence into words and returns the longest one using the built-in max() function with len as the key.

def find_longest_word(sentence: str) -> str:
    words = sentence.split()
    if not words:
        return ""
    return max(words, key=len)

if __name__ == "__main__":
    test_sentence = "The quick brown fox jumps over the lazy dog"
    longest = find_longest_word(test_sentence)
    print(f"Longest word: '{longest}'…

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PythonSkillset code samples are short, focused examples organised by topic and difficulty. Every snippet is server-rendered HTML — readable by search engines and easy to copy. Open any sample, read the notes, copy the code, then press Try in editor to run it in the browser with Pyodide.

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