popitem(last=True) The popitem() method for ordered dictionaries returns and removes a (key, value) pair. The pairs

subtract([iterable-or-mapping]) Elements are subtracted from an iterable or from another mapping (or counter)

somenamedtuple._asdict() Return a new OrderedDict which maps field names to their corresponding values:

extendleft(iterable) Extend the left side of the deque by appending elements from iterable. Note, the series of left

pprint.pformat(object, indent=1, width=80, depth=None, *, compact=False) Return the formatted representation of object

itermonthdates(year, month) Return an iterator for the month month (1-12) in the year year. This iterator

time.__str__() For a time t, str(t) is equivalent to t.isoformat().

weakref.getweakrefs(object) Return a list of all weak reference and proxy objects which refer to object.

somenamedtuple._fields Tuple of strings listing the field names. Useful for introspection and for creating new named tuple types

monthdays2calendar(year, month) Return a list of the weeks in the month month of the year as full weeks. Weeks