input: 
  def sum_list(input_list):
      """ Given a list of numbers, this function will return the sum of the numbers in the list.
      >>> sum_list([1, 2, 3, 4])
      10
      >>> sum_list([10, 20, 30])
      60
      """
      sum = 0
      for i in input_list:
          sum += i
      return sum
  
output:     sum = 0
      for i in input_list:
          sum += i
      return sum