Павел Каратеев

Собственно, почему приходится городить вот такую конструкцию:

>>> b = ''.join(filter(None, 'abcde'))
>>> b
'abcde'
>>>

print("hello, %(name)s, you age squared is %(age)s" % {"name": "Bob", "age": 40})

from collections import Counter
import re

from lxml.html import fromstring
from lxml.html.clean import Cleaner
import requests


def extract_text(node):
    """
    Extract text without markup from node
    """

    def extract_text_gen(node):
        if node.text:
            yield node.text.strip()
        for child in node.iterchildren():
            yield from extract_text_gen(child)
            if child.tail:
                yield child.tail.strip()

    return ' '.join((s for s in extract_text_gen(node) if s))


def count_words(text):
    return Counter((s for s in re.split(r'\s', text) if s))


html = requests.get('https://toster.ru/q/276749').content.decode('utf-8')
root = fromstring(html)
Cleaner()(root)
text = extract_text(root.body)
words_count = count_words(extract_text(root))

print('\n'.join(('"%s": %i' % (word, count) for word, count in words_count.most_common())))