def __add__(self, layout):
    return self.__class__(self.elements + layout.elements)
Get a list of DFP geography ids
dataset/ETHPy150Open google/rfmt/formatter/support.py/Layout.__add__--crossover with--dataset/ETHPy150Open chartbeat-labs/parselmouth/parselmouth/adapters/dfp/client.py/DFPClient.get_adunit_targets