time.utcoffset() If tzinfo is None, returns None, else returns self.tzinfo.utcoffset(None)

datetime.weekday() Return the day of the week as an integer, where Monday is 0 and Sunday is 6. The same as self.date()

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

extend(iterable) Extend the right side of the deque by appending elements from the iterable argument.

class collections.UserList([list]) Class that simulates a list. The instance’s contents are kept in a regular list, which is

class collections.abc.MutableSet ABCs for read-only and mutable sets.

remove(value) Remove the first occurrence of value. If not found, raises a

collections.namedtuple(typename, field_names, verbose=False, rename=False) Returns a new tuple subclass named typename

class collections.abc.Generator ABC for generator classes that implement the protocol defined in

date.month Between 1 and 12 inclusive.