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def create_balanced_round_robin(players):
    """ Create a schedule for the players in the list and return it"""
    s = []
    if len(players) % 2 == 1: players = players + [None]
    # manipulate map (array of indexes for list) instead of list itself
    # this takes advantage of even/odd indexes to determine home vs. away
    n = len(players)
    map = list(range(n))
    mid = n // 2
    for i in range(n-1):