Write a function to substract the contents of one tuple with corresponding index of other tuple.
def substract_elements(test_tup1, test_tup2):
  res = tuple(map(lambda i, j: i - j, test_tup1, test_tup2))
  return (res) 
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to substract the contents of one tuple with corresponding index of other tuple.
def substract_elements(test_tup1, test_tup2):
  res = tuple(map(lambda i, j: i - j, test_tup1, test_tup2))
  return (res) [/INST]assert substract_elements((10, 4, 5), (2, 5, 18)) == (8, -1, -13)
assert substract_elements((11, 2, 3), (24, 45 ,16)) == (-13, -43, -13)
assert substract_elements((7, 18, 9), (10, 11, 12)) == (-3, 7, -3)</s>