题解 | #整型数组合并#

while True:
    try:
        n = int(input())
        list1 = list(map(int, input().split(' ')))
        m = int(input())
        list2 = list(map(int, input().split(' ')))

        list3 = []
        for i in list1:
            if i not in list3:
                list3.append(i)
        for j in list2:
            if j not in list3:
                list3.append(j)
        list3 = sorted(list3, key=lambda x: x)
        list3 = [str(k) for k in list3]
        result = ''.join(list3)
        print(result)

    except:
        break