Python 计算已经过去多少个周末

计算已经过去多少个周末。

Pythonjiaocheng/20171102/553.html">python">def weekends_between(d1,d2):
    days_between = (d2-d1).days
    weekends, leftover = divmod(days_between,7)
    if leftover:
        start_day = (d2-timedelta(leftover)).isoweekday()
        end_day = start_day+leftover
        if start_day<=6 and end_day>6:
            weekends +=.5
        if start_day<=7 and end_day>7:
            weekends +=.5
    return weekends

使用：weekends_between(date(2014,10,1),date(2014,10,10))

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