Answers for "Count days between start and end date."

Count days between start and end date.

In [1]: from networkdays import networkdays

In [2]: import datetime

In [3]: HOLIDAYS = { datetime.date(2020, 12, 25) }  # define a Holidays list

# initiate  class::`networkdays.Networkdays`
In [4]: days = networkdays.Networkdays(
            datetime.date(2020, 12, 15),  # start date
            datetime.date(2020, 12, 31),  # end date
            HOLIDAYS  # list of Holidays
        )

In [5]: days.networkdays()  # return a list os workdays
Out[5]:
[datetime.date(2020, 12, 15),
 datetime.date(2020, 12, 16),
 datetime.date(2020, 12, 17),
 datetime.date(2020, 12, 18),
 datetime.date(2020, 12, 21),
 datetime.date(2020, 12, 22),
 datetime.date(2020, 12, 23),
 datetime.date(2020, 12, 24),
 datetime.date(2020, 12, 28),
 datetime.date(2020, 12, 29),
 datetime.date(2020, 12, 30),
 datetime.date(2020, 12, 31)]

In [6]: days.weekends()  # list os Weekends (default = Saturday ans Sunday)
Out[6]:
[datetime.date(2020, 12, 19),
 datetime.date(2020, 12, 20),
 datetime.date(2020, 12, 26),
 datetime.date(2020, 12, 27)]

In [7]: days.holidays()
Out[7]: [datetime.date(2020, 12, 25)] # list of holidays