date.isocalendar() Return a 3-tuple, (ISO year, ISO week number, ISO weekday). The ISO calendar

class collections.abc.Container class collections.abc.Hashable class collections.abc.Sized

classmethod datetime.now(tz=None) Return the current local date and time. If optional argument tz is None

calendar.isleap(year) Returns

datetime.hour In range(24).

calendar.month(theyear, themonth, w=0, l=0) Returns a month’s calendar in a multi-line string using the formatmonth()

types.new_class(name, bases=(), kwds=None, exec_body=None) Creates a class object dynamically using the appropriate metaclass

array.itemsize The length in bytes of one array item in the internal representation.

time.isoformat() Return a string representing the time in ISO 8601 format, HH:MM:SS.mmmmmm or, if self.microsecond is 0, HH:MM:SS

date.min The earliest representable date, date(MINYEAR, 1, 1).