def solve(a: list) ->int:
    ans = 0
    length = a.__len__()
    for index in range(length):
        ans += a[index]
    return ans

158561f536386b7167865a9a9191b97a10f8c2ed
<mask token>

def solve(a: list) ->int:
    ans = 0
    length = a.__len__()
    for index in range(length):
        ans += a[index]
    return ans
