import requests
import xml.etree.ElementTree as ET


def getSched():
    root = ET.fromstring(requests.get('https://www.bsuir.by/schedule/rest/schedule/21848').text.encode('utf-8'))
    answ = ''
    for child in root:
        answ += child[len(child)-1].text + '\n'
        for foo in child[:-1]:
            answ += foo[0].text + '\n'
            answ += foo[7].text + '\n'
        answ += '\n\n'
    return answ

print(getSched())