monthdatescalendar(year, month) Return a list of the weeks in the month month of the year as full weeks. Weeks

calendar.weekheader(n) Return a header containing abbreviated weekday names. n specifies the width in characters for

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

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

array.insert(i, x) Insert a new item with value x in the array before position i. Negative values are treated

heapq.heappush(heap, item) Push the value item onto the heap, maintaining the heap invariant.

tzinfo.utcoffset(dt) Return offset of local time from UTC, in minutes east of UTC. If local time is west of UTC, this should

date.timetuple() Return a

maps A user updateable list of mappings. The list is ordered from first-searched to last-searched. It is the only stored state

class collections.abc.Sequence class collections.abc.MutableSequence class collections.abc.ByteString