import urllib.request
from bs4 import BeautifulSoup
import datetime

dt = datetime.datetime.now()
data = dt.strftime('%d/%m/%Y')

def get_xml(url):
    response = urllib.request.urlopen(url)
    return response.read()

def parse(xml):
    soup = BeautifulSoup(xml)
    rows = soup.find_all(id="R01235")
    print(rows)
def main():
    parse(get_xml('http://www.cbr.ru/scripts/XML_daily.asp?date_req='+data))

if __name__ == '__main__':
    main()