Usage

To use priority-search-tree in a project:

import priority_search_tree

# create empty PST
pst = PrioritySearchTree()

# add items into PST
pst[1] = 1
pst[2] = 2

# remove item from PST
del pst[1]

# query
MIN_KEY = 1
MAX_KEY = 3
BOTTOM_PRIORITY = 2
result = pst.query(MIN_KEY,MAX_KEY,BOTTOM_PRIORITY)