def get_or_create_list(self, key):
    return self.fields[key].list_value
Returns a list for this key, creating if it didn't exist already.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/net/proto2/python/internal/well_known_types.py/Struct.get_or_create_list