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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 _make_bright_pixel_mask(intensity_mean, mask_factor=5.0):
 """ Make of mask of all the brightest pixels """

        mask = np.zeros((intensity_mean.data.shape), bool)
        nebins = len(intensity_mean.data)
        sum_intensity = intensity_mean.data.sum(0)
        mean_intensity = sum_intensity.mean()
        for i in range(nebins):
            mask[i, 0:] = sum_intensity > (mask_factor * mean_intensity)
        return HpxMap(mask, intensity_mean.hpx)