def sync_keys(dict_a, dict_b):
    dict_a_keys = set(dict_a.keys())
    dict_b_keys = set(dict_b.keys())
    for k in dict_a_keys.symmetric_difference(dict_b_keys):
        if k in dict_a_keys:
            del dict_a[k]
        else:
            del dict_b[k]
Finds the highest point from a three-dimensional tuple list.
dataset/ETHPy150Open qe-team/marmot/marmot/experiment/experiment_utils.py/sync_keys--crossover with--dataset/ETHPy150Open tudelft3d/CityGML2OBJs/polygon3dmodule.py/highestPoint