Buggy python submission (verdict: Time Limit Exceeded):
import math
from fractions import gcd
from functools import reduce
def gcds(*numbers):
    return reduce(gcd, numbers)

def resolve():
    N = int(input())
    As = list(map(int, input().split(" ")))
    if N == 2:
        return max(As)

    gcdmax = 0
    for i in range(N):
        if i == N-1:
            g = gcds(*As[:i])
        else:
            g = gcds(*(As[:i]+As[i+1:]))
        gcdmax = max(gcdmax, g)

    return gcdmax

if '__main__' == __name__:
    print(resolve())

Fixed submission:
import math
from fractions import gcd
from functools import reduce
def gcds(*numbers):
    return reduce(gcd, numbers)

def resolve():
    N = int(input())
    As = list(map(int, input().split(" ")))
    
    left = [0] * (N + 1)
    right = [0] * (N + 1)
    for i in range(N):
        left[i + 1] = (gcd(left[i],As[i]))
        right[N - 1 - i] = (gcd(right[(N - 1) - i + 1], As[(N - 1) - i]))

    gcdmax = 0
    for i in range(N):
        gcdmax = max(gcdmax, gcd(left[i], right[i+1]))
    return gcdmax

if '__main__' == __name__:
    print(resolve())

Buggy python submission (verdict: Runtime Error):
import math
from functools import reduce
def gcds(*numbers):
    return reduce(math.gcd, numbers)

def resolve():
    N = int(input())
    As = list(map(int, input().split(" ")))
    if N == 2:
        return max(As)

    gcdmax = 0
    for i in range(N):
        if i == N-1:
            gcd = gcds(*As[:i])
        else:
            gcd = gcds(*As[:i], *As[i+1:])
        gcdmax = max(gcdmax, gcd)

    return gcdmax

if '__main__' == __name__:
    print(resolve())

Fixed submission:
import math
from fractions import gcd
from functools import reduce
def gcds(*numbers):
    return reduce(gcd, numbers)

def resolve():
    N = int(input())
    As = list(map(int, input().split(" ")))
    
    left = [0] * (N + 1)
    right = [0] * (N + 1)
    for i in range(N):
        left[i + 1] = (gcd(left[i],As[i]))
        right[N - 1 - i] = (gcd(right[(N - 1) - i + 1], As[(N - 1) - i]))

    gcdmax = 0
    for i in range(N):
        gcdmax = max(gcdmax, gcd(left[i], right[i+1]))
    return gcdmax

if '__main__' == __name__:
    print(resolve())

Buggy python submission (verdict: Runtime Error):
import math
from functools import reduce
def gcds(*numbers):
    return reduce(math.gcd, numbers)

def resolve():
    N = int(input())
    As = list(map(int, input().split(" ")))
    if N == 2:
        return max(As)

    gcdmax = 0
    for i in range(N):
        gcd = gcds(*As[:i], *As[i+1:])
        gcdmax = max(gcdmax, gcd)

    return gcdmax

if '__main__' == __name__:
    print(resolve())

Fixed submission:
import math
from fractions import gcd
from functools import reduce
def gcds(*numbers):
    return reduce(gcd, numbers)

def resolve():
    N = int(input())
    As = list(map(int, input().split(" ")))
    
    left = [0] * (N + 1)
    right = [0] * (N + 1)
    for i in range(N):
        left[i + 1] = (gcd(left[i],As[i]))
        right[N - 1 - i] = (gcd(right[(N - 1) - i + 1], As[(N - 1) - i]))

    gcdmax = 0
    for i in range(N):
        gcdmax = max(gcdmax, gcd(left[i], right[i+1]))
    return gcdmax

if '__main__' == __name__:
    print(resolve())