human
Write a function to perform index wise addition of tuple elements in the given two nested tuples. Here is a solution in Python:
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What is a the Python program you requested?
assistant
#Here is the Python program you requested.
 def add_nested_tuples(test_tup1, test_tup2):
  res = tuple(tuple(a + b for a, b in zip(tup1, tup2))
   for tup1, tup2 in zip(test_tup1, test_tup2))
  return (res)