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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 diffs_prof(step):
 """Scaled diffusion. This computation takes sphericity into account if necessary. Args: step (:class:`~stagpy.stagyydata._Step`):
 a step of a StagyyData instance. Returns: tuple of :class:`numpy.array`: the diffusion and the radial position at which it is evaluated. """

    diff, rad = diff_prof(step)
    return _scale_prof(step, diff, rad), rad