Buggy python submission (verdict: Time Limit Exceeded):
# coding:utf-8
import fractions


def main():
    N = int(input())
    num = list(map(int, input().split()))
    # num.sort()
    # print(num)
    # print(num[0:0])
    gcd = 0
    for i in range(len(num)):
        temp_list = num[0:i] + num[i+1:]
        temp_gcd = temp_list[0]
        for i in temp_list:
            temp_gcd = fractions.gcd(temp_gcd, i)
            if temp_gcd < gcd:
                break
        # temp_gcd = functools.reduce(math.gcd, temp_list)
        if temp_gcd > gcd:
            gcd = temp_gcd
    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()


Fixed submission:
# coding:utf-8
import fractions


def main():
    N = int(input())
    # N = 10 ** 5
    num = list(map(int, input().split()))
    # num = list(range(1, 10**5 + 1))
    # num.sort()
    gcd = 0
    gcd_list_front = []
    gcd_list_back = []
    gcd_list_front.append(num[0])
    gcd_list_back.append(num[-1])

    for i in range(1, N-1):
        gcd_list_front.append(fractions.gcd(gcd_list_front[i-1], num[i]))
        gcd_list_back.append(fractions.gcd(gcd_list_back[i-1], num[-i-1]))

    gcd_list_back.reverse()
    # print(gcd_list_front)
    # print(gcd_list_back)

    gcd = max(gcd_list_back[0], gcd_list_front[-1])

    for i in range(0, N-2):
        # print(gcd_list_front[i], gcd_list_back[i+1])
        temp_gcd = fractions.gcd(gcd_list_front[i], gcd_list_back[i+1])
        if temp_gcd > gcd:
            gcd = temp_gcd

    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()

Buggy python submission (verdict: Time Limit Exceeded):
# coding:utf-8
import fractions


def main():
    N = int(input())
    num = list(map(int, input().split()))
    # num.sort()
    # print(num)
    # print(num[0:0])
    gcd = 0
    for i in range(len(num)):
        temp_list = num[0:i]+num[i+1:]
        temp_gcd = temp_list[0]
        for i in temp_list:
            temp_gcd = fractions.gcd(temp_gcd, i)
        # temp_gcd = functools.reduce(math.gcd, temp_list)
        if temp_gcd > gcd:
            gcd = temp_gcd
    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()


Fixed submission:
# coding:utf-8
import fractions


def main():
    N = int(input())
    # N = 10 ** 5
    num = list(map(int, input().split()))
    # num = list(range(1, 10**5 + 1))
    # num.sort()
    gcd = 0
    gcd_list_front = []
    gcd_list_back = []
    gcd_list_front.append(num[0])
    gcd_list_back.append(num[-1])

    for i in range(1, N-1):
        gcd_list_front.append(fractions.gcd(gcd_list_front[i-1], num[i]))
        gcd_list_back.append(fractions.gcd(gcd_list_back[i-1], num[-i-1]))

    gcd_list_back.reverse()
    # print(gcd_list_front)
    # print(gcd_list_back)

    gcd = max(gcd_list_back[0], gcd_list_front[-1])

    for i in range(0, N-2):
        # print(gcd_list_front[i], gcd_list_back[i+1])
        temp_gcd = fractions.gcd(gcd_list_front[i], gcd_list_back[i+1])
        if temp_gcd > gcd:
            gcd = temp_gcd

    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
# coding:utf-8
import math


def main():
    N = int(input())
    num = list(map(int, input().split()))
    # num.sort()
    # print(num)
    # print(num[0:0])
    gcd = 0
    for i in range(len(num)):
        temp_list = num[0:i]+num[i+1:]
        temp_gcd = temp_list[0]
        for i in temp_list:
            temp_gcd = math.gcd(temp_gcd, i)
        # temp_gcd = functools.reduce(math.gcd, temp_list)
        if temp_gcd > gcd:
            gcd = temp_gcd
    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()


Fixed submission:
# coding:utf-8
import fractions


def main():
    N = int(input())
    # N = 10 ** 5
    num = list(map(int, input().split()))
    # num = list(range(1, 10**5 + 1))
    # num.sort()
    gcd = 0
    gcd_list_front = []
    gcd_list_back = []
    gcd_list_front.append(num[0])
    gcd_list_back.append(num[-1])

    for i in range(1, N-1):
        gcd_list_front.append(fractions.gcd(gcd_list_front[i-1], num[i]))
        gcd_list_back.append(fractions.gcd(gcd_list_back[i-1], num[-i-1]))

    gcd_list_back.reverse()
    # print(gcd_list_front)
    # print(gcd_list_back)

    gcd = max(gcd_list_back[0], gcd_list_front[-1])

    for i in range(0, N-2):
        # print(gcd_list_front[i], gcd_list_back[i+1])
        temp_gcd = fractions.gcd(gcd_list_front[i], gcd_list_back[i+1])
        if temp_gcd > gcd:
            gcd = temp_gcd

    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
# coding:utf-8
import functools
import math


def main():
    N = int(input())
    num = list(map(int, input().split()))
    # num.sort()
    # print(num)
    # print(num[0:0])
    gcd = 0
    for i in range(len(num)):
        temp_list = num[0:i]+num[i+1:]
        temp_gcd = functools.reduce(math.gcd, temp_list)
        if temp_gcd > gcd:
            gcd = temp_gcd
    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()


Fixed submission:
# coding:utf-8
import fractions


def main():
    N = int(input())
    # N = 10 ** 5
    num = list(map(int, input().split()))
    # num = list(range(1, 10**5 + 1))
    # num.sort()
    gcd = 0
    gcd_list_front = []
    gcd_list_back = []
    gcd_list_front.append(num[0])
    gcd_list_back.append(num[-1])

    for i in range(1, N-1):
        gcd_list_front.append(fractions.gcd(gcd_list_front[i-1], num[i]))
        gcd_list_back.append(fractions.gcd(gcd_list_back[i-1], num[-i-1]))

    gcd_list_back.reverse()
    # print(gcd_list_front)
    # print(gcd_list_back)

    gcd = max(gcd_list_back[0], gcd_list_front[-1])

    for i in range(0, N-2):
        # print(gcd_list_front[i], gcd_list_back[i+1])
        temp_gcd = fractions.gcd(gcd_list_front[i], gcd_list_back[i+1])
        if temp_gcd > gcd:
            gcd = temp_gcd

    print(gcd)
    # ans = 0
    # print()


if __name__ == "__main__":
    main()