code: def test_contraction_structure_Add_in_Pow():
      x = IndexedBase("x")
      y = IndexedBase("y")
      i, j, k = Idx("i"), Idx("j"), Idx("k")
      s_ii_jj_s = (1 + x[i, i]) ** (1 + y[j, j])
      expected = {
          None: {s_ii_jj_s},
          s_ii_jj_s: [
              {None: {S.One}, (i,): {x[i, i]}},
              {None: {S.One}, (j,): {y[j, j]}},
          ],
      }
      result = get_contraction_structure(s_ii_jj_s)
      assert result == expected
  
      s_ii_jk_s = (1 + x[i, i]) ** (1 + y[j, k])
      expected_2 = {
          None: {(x[i, i] + 1) ** (y[j, k] + 1)},
          s_ii_jk_s: [{None: {S.One}, (i,): {x[i, i]}}],
      }
      result_2 = get_contraction_structure(s_ii_jk_s)
      assert result_2 == expected_2
  
imports: from sympy.core import symbols, S, Pow, Function
  from sympy.functions import exp
  from sympy.testing.pytest import raises
  from sympy.tensor.indexed import Idx, IndexedBase
  from sympy.tensor.index_methods import IndexConformanceException
  from sympy.tensor.index_methods import get_contraction_structure, get_indices
label_desc: Use image node_id 13 for calling a global function with example usage: test_contraction_structure_Add_in_Pow() without return types