input: Write a function to generate a Python script that takes any number of integer arguments and returns their sum. If no arguments are provided, return 0.
  assert sum_ints(3, 5, 7)==15
  assert sum_ints(10, 20, 30)==60
  assert sum_ints() == 0
  assert sum_ints(1, 2, 3, 4, 5) == 15
output: def sum_ints(*args):
      return sum(args)