wc.py

import io


def wc(path):
    with open(path, "r", encoding="utf-8") as f:
        lines = words = chars = 0
        for line in f:
            lines += 1
            words += len(line.split())
            chars += len(line)
    return lines, words, chars


def wc_str(string):
    f = io.StringIO(string)
    lines = words = chars = 0
    for line in f:
        lines += 1
        words += len(line.split())
        chars += len(line)
    return lines, words, chars


def wc_split(string):
    f = string.split('\n')
    lines = words = chars = 0
    for line in f:
        lines += 1
        words += len(line.split())
        chars += len(line)
    return lines, words, chars