在给定日期后找到第一个星期一的日期

import datetimedef next_weekday(d, weekday):    days_ahead = weekday - d.weekday()    if days_ahead <= 0: # Target day already happened this week        days_ahead += 7    return d + datetime.timedelta(days_ahead)d = datetime.date(2011, 7, 2)next_monday = next_weekday(d, 0) # 0 = Monday, 1=Tuesday, 2=Wednesday...print(next_monday)