Text Readability Analyzer

import re

def text_statistics(text: str) -> dict:
    """Compute common text statistics."""
    chars_with_spaces    = len(text)
    chars_without_spaces = len(text.replace(" ", "").replace("\t", "").replace("\n", ""))

    # Words: split on whitespace, discard empty tokens
    words = [w for w in re.split(r"\s+", text.strip()) if w]
    word_count = len(words)

    # Sentences: split on . ! ? followed by whitespace or end of string
    sentences = [s for s in re.split(r"[.!?]+(?:\s|$)", text.strip()) if s.strip()]
    sentence_count = len(sentences) if sentences else 0

    # Paragraphs: blocks separated by one or more blank lines
    paragraphs = [p for p in re.split(r"\n{2,}", text.strip()) if p.strip()]
    paragraph_count = len(paragraphs) if paragraphs else 0

    lines = text.splitlines()
    line_count = len(lines)

    avg_word_length = (
        sum(len(re.sub(r"[^\w]", "", w)) for w in words) / word_count
        if word_count else 0
    )

    # Reading time: ~238 wpm for adults (2023 meta-analysis)
    reading_time_sec = round(word_count / 238 * 60)

    return {
        "chars_with_spaces":    chars_with_spaces,
        "chars_without_spaces": chars_without_spaces,
        "words":                word_count,
        "sentences":            sentence_count,
        "paragraphs":           paragraph_count,
        "lines":                line_count,
        "avg_word_length":      round(avg_word_length, 2),
        "reading_time_sec":     reading_time_sec,
    }

sample = """The quick brown fox jumps over the lazy dog.
Pack my box with five dozen liquor jugs!

How vexingly quick daft zebras jump?
"""

stats = text_statistics(sample)
for key, value in stats.items():
    print(f"{key:25}: {value}")