Python Calculate number of days between two dates.

#import datetime module
import datetime

#create a function that calculates the number of days between two dates
def days_between_dates(date1, date2):
    """
    Calculate the number of days between two dates.

    Parameters
    ----------
    date1 : datetime.date
        Start date.
    date2 : datetime.date
        End date.

    Returns
    -------
    int
        The number of days between ``date1`` and ``date2``.

    """

    #calculate the number of days between the two dates
    return abs(date2 - date1).days

#example
result = days_between_dates(datetime.date(2016, 1, 1), datetime.date(2016, 8, 27))
#output
print(result)  #63