append(x) Add x to the right side of the deque.

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

class collections.abc.ValuesView ABCs for mapping, items, keys, and values views.

somenamedtuple._source A string with the pure Python source code used to create the named tuple class. The source makes the

datetime.tzinfo The object passed as the tzinfo argument to the datetime constructor, or None

__package__ Which package a module belongs to. If the module is top-level (i.e. not a

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

@reprlib.recursive_repr(fillvalue="...") Decorator for __repr__() methods to detect recursive calls within the

__missing__(key) If the default_factory attribute is None, this raises a

calendar.calendar(year, w=2, l=1, c=6, m=3) Returns a 3-column calendar for an entire year as a multi-line string using the