Help me in solving AO14 problem

help
,
1

My issue

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My code

t = int(input())
for _ in range(t):
    n = int(input())
    arr = list(map(int, input().split()))
    final = 0
    i = 0
    while i < (n - 1):
        temp = arr[i] + arr[i + 1]
        if temp > final:
            final = temp
        i = i + 1  # Change here, increment i by 1 to consider all pairs
    print(final)

Learning course: Python with Data structures
Problem Link: Practice Problem in - CodeChef