python获取下周周一日期(获取指定周

import calendar
import datetime


def getNextMonday():

    today = datetime.date.today()

    print today

    oneday = datetime.timedelta(days = 1)

    m1 = calendar.MONDAY

    while today.weekday() != m1:
        today += oneday

    nextMonday = today.strftime('%Y%m%d')

    return nextMonday

print getNextMonday()

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输出:
2017-11-28
20171204