uheapq – heap queue algorithm
This module implements the heap queue algorithm.
A heap queue is simply a list that has its elements stored in a certain way.
Functions
- 
uheapq.heappush(heap, item) 
Push the item onto the heap.
- 
uheapq.heappop(heap) 
Pop the first item from the heap, and return it.  Raises IndexError if
heap is empty.
- 
uheapq.heapify(x) 
Convert the list x into a heap.  This is an in-place operation.