def find_duo_maps(dict_A, dict_B):
    """This function finds the maps that are to be combined. Expected inputs are:
    dict_A and dict_B: dictionaries"""
    maps_A = list(dict_A.keys())
    maps_B = list(dict_B.keys())
    maps_to_combine = list(set(maps_A) & set(maps_B))
    maps_to_combine.remove('meta')
    print("Map(s) that occur(s) in both sources:\n{}".format(maps_to_combine))
    return maps_to_combine