String helpers in Python: stats, reverse, and remove vowels

def text_stats(text: str) -> dict:
    """Return basic statistics for a given text string."""
    words = text.split()
    return {
        "characters": len(text),
        "words": len(words),
        "sentences": text.count(".") + text.count("!") + text.count("?"),
        "uppercase": sum(1 for c in text if c.isupper()),
        "lowercase": sum(1 for c in text if c.islower()),
    }


def reverse_words(text: str) -> str:
    """Reverse the order of words in a sentence."""
    return " ".join(reversed(text.split()))


def remove_vowels(text: str) -> str:
    """Strip all vowels (a, e, i, o, u) from the text."""
    vowels = "aeiouAEIOU"
    return "".join(c for c in text if c not in vowels)


if __name__ == "__main__":
    sample = "Hello world! Python is fun."
    print("Original:", sample)
    print("Stats:", text_stats(sample))
    print("Reversed words:", reverse_words(sample))
    print("Without vowels:", remove_vowels(sample))