input: Write a function to generate a Python script that takes any number of integer arguments and returns their sum. If the input list is empty, then return 0.
  
  def sum_ints(*args):
      total = 0
      for num in args:
          total += num
      
      return total
  
  assert sum_ints(3, 5, 7) == 15
  assert sum_ints(1, 2, 3, 4) == 10
  assert sum_ints(0) == 0
  assert sum_ints(-1, -2, -3) == -6
  assert sum_ints() == 0
output: def sum_ints(*args):
      total = 0
      for num in args:
          total += num
      
      return total