damzam

def sort_nuts_and_bolts(nuts, bolts):
    """Sort nuts and bolts in O(N log N) time"""
    def sort(nuts, bolts):
        if len(nuts) == 0:
            return []
        lnuts, rnuts, lbolts, rbolts = [], [], [], []
        nut = nuts.pop()
        bolt = None
        for b in bolts:
            if b == nut and not bolt:

damzam

#!/usr/bin/env python
from collections import defaultdict


class BaseStream(object):
    """
    A utility base class that we'll use to make sure that our
    streams' respective popNext() methods make use of Python's
    __iter__ magic method
    """