input: Write a function to compute the sum of two variables and store the result in a third variable. Print the final result.
  assert compute_sum_and_print(5, 8)==13
  assert compute_sum_and_print(0, 0)==0
  assert compute_sum_and_print(-3, 3)==0
  assert compute_sum_and_print(10, -5)==5
output: def compute_sum_and_print(a, b):
      result = a + b
      print(result)
      return result