Untitled

from datetime import datetime


def get_weekday(day):
    current_month = datetime.now().month
    current_year = datetime.now().year
    return datetime.strptime(f'{day + 1} {current_month} {current_year}', '%d %m %Y').weekday()


def is_eleven_working_day(day):
    current_day = day

    for day in range(day):
        if get_weekday(day) in [5, 6]:
            current_day = current_day - 1
    return current_day == 11


print(is_eleven_working_day(15))