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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 normal_h3(size: int = 10000) -> HistogramND: """A simple 3D histogram with normal distribution. Parameters size : Number of points """

    data1 = np.random.normal(0, 1, (size,))
    data2 = np.random.normal(0, 1, (size,))
    data3 = np.random.normal(0, 1, (size,))
    return h3([data1, data2, data3], name="normal", axis_names=tuple("xyz"), title="3D normal distribution")