heapq.heappop(heap) Pop and return the smallest item from the heap, maintaining the heap invariant. If the heap is

update([iterable-or-mapping]) Elements are counted from an iterable or added-in from another mapping (or counter)

array.extend(iterable) Append items from iterable to the end of the array. If iterable is another array, it

array.pop([i]) Removes the item with the index i from the array and returns it. The optional argument defaults to -1

datetime.year Between MINYEAR and MAXYEAR inclusive.

class collections.deque([iterable[, maxlen]]) Returns a new deque object initialized left-to-right (using append())

datetime.isoweekday() Return the day of the week as an integer, where Monday is 1 and Sunday is 7. The same as self.date()

class datetime.timedelta(days=0, seconds=0, microseconds=0, milliseconds=0, minutes=0, hours=0, weeks=0) All arguments are optional