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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 padding(self):
 """Returns the padding algorithm used, if this is the same for all dims. Use `.paddings` if you want a tuple with the padding algorithm used for each dimension. Returns: The padding algorithm used, if this is the same for all dimensions. Raises: ValueError: If different padding algorithms are used for different dimensions. """

    # This is for backwards compatibility -- previously only a single
    # padding setting was supported across all dimensions.
    if all(p == self._padding[0] for p in self._padding):
      return self._padding[0]
    else:
      raise ValueError("This layer uses different paddings for different "
                       "dimensions. Use .paddings if you want a tuple of "
                       "per-dimension padding settings.")