class calendar.HTMLCalendar(firstweekday=0) This class can be used to generate HTML calendars.

class weakref.WeakMethod(method) A custom ref subclass which simulates a weak reference to a bound method (i.e

datetime.strftime(format) Return a string representing the date and time, controlled by an explicit format string. For a complete

heapq.nsmallest(n, iterable, key=None) Return a list with the n smallest elements from the dataset defined by iterable

itermonthdays2(year, month) Return an iterator for the month month in the year year similar to itermonthdates()

Repr.maxset Repr.maxfrozenset Repr.maxdeque Repr.maxarray

class collections.OrderedDict([items]) Return an instance of a dict subclass, supporting the usual

bisect.insort_right(a, x, lo=0, hi=len(a)) bisect.insort(a, x, lo=0, hi=len(a)) Similar to insort_left()

calendar.month_name An array that represents the months of the year in the current locale. This follows normal convention of

array.typecodes A string with all available type codes.