import csv
import urllib.request
from bs4 import BeautifulSoup
USER_URL = input('Введите ссылку: ')
def get_html(url):
	response = urllib.request.urlopen(url)
	return response.read()
def parse(html):
	soup = BeautifulSoup(html, 'html.parser')
	div = soup.find('div', class_='post')
	header = soup.find('h1', class_='entry-title')
	date = div.find('li', class_='publish-date')
	preview = soup.find('p', class_='post-preview-text')
	basetext = div.find('div', class_='entry-content detail-text')
	
	projects = []
	
	projects.append({
		'header': header.text,
		'date': date.text,
		'preview': preview.text,
		'basetext': basetext.text
	})
	return projects
def save(projects, path):
	with open(path, 'w') as csvfile:
		writer = csv.writer(csvfile)
										
def main():
	projects = []
	print(parse(get_html(USER_URL)))
	save(projects, 'projects.csv')
	
if __name__ == '__main__':
	main()

 London     3453445  True
Paris         546666   True
New-York  5842141  False

 London
3453445
True
Paris
546666
True