input: Write a function to compute the sum of two variables and store the result in a third variable. Print the result.
  def sum_two_numbers(x, y):
      result = x + y
      z = result
      print(z)
  
  # Test cases
  sum_two_numbers(5, 8) # Output: 13
  sum_two_numbers(10, 12) # Output: 22
  sum_two_numbers(0, 0) # Output: 0
  sum_two_numbers(-3, 3) # Output: 0
  sum_two_numbers(100, -50) # Output: 50
output: def sum_two_numbers(x, y):
      result = x + y
      z = result
      print(z)