def __init__(self, mesh: EuclideanMesh) -> None:
    'Initializes node handler helper object.\n\n        Parameters\n        ----------\n        mesh : EuclideanMesh\n            Input mesh for which this object handles nodes info.\n        '
    self.mesh = mesh
    self._id_to_index = None
    self._index_to_id = None
Initializes node handler helper object.

Parameters
----------
mesh : EuclideanMesh
    Input mesh for which this object handles nodes info.
def __init__(self, mesh: EuclideanMesh) -> None:
    'Initializes node handler helper object.\n\n        Parameters\n        ----------\n        mesh : EuclideanMesh\n            Input mesh for which this object handles nodes info.\n        '
    self.mesh = mesh
    self._id_to_index = None
    self._index_to_id = None