input: Write a function to compute the sum of two variables and store the result in a third variable. The function should then print the result.
  def compute_sum(x, y):
      result = x + y
      z = result
      print(z)
  
  assert compute_sum(5, 8) == None
  assert compute_sum(10, 20) == None
  assert compute_sum(-1, 1) == None
  assert compute_sum(0, 0) == None
output: def compute_sum(x, y):
      result = x + y
      z = result
      print(z)