<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def next_week_day(base_date, weekday):
 """ Finds next weekday """

    day_of_week = base_date.weekday()
    end_of_this_week = base_date + timedelta(days=6 - day_of_week)
    day = end_of_this_week + timedelta(days=1)
    while day.weekday() != weekday:
        day = day + timedelta(days=1)
    return day