# sum_numbers1.py
#
# ICS H32 Fall 2025
# Code Example
#
# This function sums the numbers in a flat list of integers.  By "flat list",
# I mean that the list no sublists (i.e., every element is an integer).

def sum_numbers(numlist: list[int]) -> int:
    '''Adds up the integers in a list of integers'''

    total = 0

    for num in numlist:
        total += num

    return total



assert sum_numbers([1, 2, 3, 4, 5]) == 15
assert sum_numbers([5, 8, 9, 3]) == 25
assert sum_numbers([4]) == 4
assert sum_numbers([]) == 0