TheAlgorithms-Python

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def pig_latin(word: str) -> str:
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    """Compute the piglatin of a given string.
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    https://en.wikipedia.org/wiki/Pig_Latin
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    Usage examples:
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    >>> pig_latin("pig")
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    'igpay'
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    >>> pig_latin("latin")
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    'atinlay'
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    >>> pig_latin("banana")
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    'ananabay'
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    >>> pig_latin("friends")
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    'iendsfray'
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    >>> pig_latin("smile")
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    'ilesmay'
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    >>> pig_latin("string")
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    'ingstray'
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    >>> pig_latin("eat")
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    'eatway'
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    >>> pig_latin("omelet")
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    'omeletway'
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    >>> pig_latin("are")
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    'areway'
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    >>> pig_latin(" ")
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    ''
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    >>> pig_latin(None)
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    ''
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    """
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    if not (word or "").strip():
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        return ""
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    word = word.lower()
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    if word[0] in "aeiou":
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        return f"{word}way"
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    for i, char in enumerate(word):  # noqa: B007
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        if char in "aeiou":
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            break
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    return f"{word[i:]}{word[:i]}ay"
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if __name__ == "__main__":
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    print(f"{pig_latin('friends') = }")
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    word = input("Enter a word: ")
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    print(f"{pig_latin(word) = }")
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