code: def test_affine_transformed_uniform():
      a, b = 10.0, 15.0
      loc, scale = 20.0, 3.0
      distr = Uniform(a, b)
      transformed_distr = AffineTransformed(distr, loc=loc, scale=scale)
  
      assert transformed_distr.mean == (scale * (a + b) + 2 * loc) / 2
      assert (
          transformed_distr.variance == (scale**2 * (b - a) ** 2) / 12
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_affine_transformed_uniform() without return types