georgeRenard

def build_root(self, iterable):
    collection = list(iterable)
    assert(len(collection) != 0)
    if len(collection) % 2 != 0:
        collection.append(collection[-1])
    collection = [self.__Node(self.digest(x)) for x in collection]
    return self.__build_root(collection)

def __build_root(self, collection):
    size = len(collection)

georgeRenard

using System;
using System.Collections;
using System.Collections.Generic;
using Wintellect.PowerCollections;

public class Organization : IOrganization
{

    MultiDictionary<string, Person> people =
        new MultiDictionary<string, Person>(true);