Count Utility (wc)

easypy_strings

Implement count_util(text, flags=None) — a tiny wc-like counter.

flags is a command-line-style string selecting which counts to return: -m → "chars" (number of characters), -l → "lines" (number of newline characters), -L → "longest_line" (length of the longest line), -w → "words" (whitespace-separated words). Flags may be combined ("-lm" or "-l -m"). An empty string or None means all four. Return a dict containing only the selected keys.

Your solution

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Hints

Hint 1

Pull the flag letters out of the flags string (ignore '-' and spaces); empty/None means all four.

Hint 2

chars = len(text), lines = text.count('\n'), words = len(text.split()), longest_line = max line length.