Maximum sum

def task2(n, x):

    output, max_sum = x[0], x[0]
    for i in range(1, n):
        max_sum = max(max_sum + x[i], x[i])
        output = max(output, max_sum)

    print(output)


if __name__ == "__main__":
    n = int(input())
    x = list(map(int, input().strip().split()))
    task2(n, x)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED