input:                         from typing import List
  
                          def sum_list(lst: List[int]) -> int:
                              """ Sum all the elements in the given list and return the result.
                              >>> sum_list([1, 2, 3, 4, 5])
                              15
                              >>> sum_list([0, -1, 1])
                              0
                              """
output:     total = 0
      for num in lst:
          total += num
      return total