calendar.monthrange(year, month) Returns weekday of first day of the month and number of days in month, for the specified year

array.fromunicode(s) Extends this array with data from the given unicode string. The array must be a type 'u' array;

items() Return a new view of the underlying mapping’s items ((key, value) pairs).

formatyear(theyear, w=2, l=1, c=6, m=3) Return a m-column calendar for an entire year as a multi-line string. Optional

class collections.abc.Iterable ABC for classes that provide the __iter__() method. See also the definition of

class collections.abc.Callable ABCs for classes that provide respectively the methods __contains__(), __hash__()

tzinfo.dst(dt) Return the daylight saving time (DST) adjustment, in minutes east of UTC, or None if DST information

timedelta.total_seconds() Return the total number of seconds contained in the duration. Equivalent to td / timedelta(seconds=1)

rotate(n) Rotate the deque n steps to the right. If n is negative, rotate to the left. Rotating one step to

atexit A writable boolean property which by default is true. When the program exits, it calls all remaining live finalizers