input: def sum_list(input_list: List[int]) -> int:
      """
      Returns the sum of the items in the given list.
      
      >>> sum_list([1, 2, 3, 4, 5])
      15
      >>> sum_list([10, 20, 30])
      60
      >>> sum_list([])
      0
      """
      sum = 0
      for i in input_list:
          sum += i
      return sum
output:     sum = 0
      for i in input_list:
          sum += i
      return sum