def unique(iterable):
    seen = set()
    return [x for x in iterable if x not in seen and not seen.add(x)]
Returns an iterator of all subaccounts that have a recorded transaction
dataset/ETHPy150Open clips/pattern/pattern/text/search.py/unique--crossover with--dataset/ETHPy150Open UDST/urbansim/urbansim/accounts.py/Account.all_subaccounts