from typing import List, Tuple
def sum_product(numbers: List[int]) -> Tuple[int, int]:
    sum_value = 0
    prod_value = 1
    for n in numbers:
        sum_value += n
        prod_value *= n
    return sum_value, prod_value
from typing import List, Tuple
def sum_product(numbers: List[int]) -> Tuple[int, int]:
    sum_value = 0
    prod_value = 1
   
    _n_i = 0
    while _n_i < len(numbers):
        n = numbers[_n_i]
        sum_value += n
        prod_value *= n
        _n_i += 1
    return sum_value, prod_value