


m = nn.ConstantPad3d(3, 3.5)
      >>> input = torch.randn(16, 3, 10, 20, 30)
      >>> output = m(input)
      >>> # using different paddings for different sides
      >>> m = nn.ConstantPad3d((3, 3, 6, 6, 0, 1), 3.5)
      >>> output = m(input)


