from collections import namedtuple

# Define aqui el namedtuple Point3D con campos x, y, z
Point3D = namedtuple("Point3D", ["x","y","z"]) 

def create_point3d(x: float, y: float, z: float) -> dict:
    # Crea una instancia de Point3D y retorna el resultado de _asdict()
    point = Point3D(x, y, z)
    return point._asdict()