input: def sum_list(input_list):
    sum = 0
    for i in input_list:
      sum += i
    return sum
    """
    >>> sum_list([1, 2, 3, 4, 5])
    15
    >>> sum_list([10, 20, 30])
    60
    """
output:     """
      >>> sum_list([1, 2, 3, 4, 5])
      15
      >>> sum_list([10, 20, 30])
      60
      """