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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def draw(obj, plane='3d', inline=False, **kwargs):
    '''Draw the morphology using in the given plane

    plane (str): a string representing the 2D plane (example: 'xy')
                 or '3d', '3D' for a 3D view

    inline (bool): must be set to True for interactive ipython notebook plotting
    '''
    if plane.lower() == '3d':
        return _plot_neuron3d(obj, inline, **kwargs)
    return _plot_neuron(obj, plane, inline, **kwargs)