题解 | #整型数组合并#

import sys

m = int(input())
str1 = sys.stdin.readline()
str1.replace("\n", " ")
num1 = str1.split()

n = int(input())
str2 = sys.stdin.readline()
str2.replace("\n", " ")
num2 = str2.split()

# 合并+排序
num12 = num1 + num2
result = []
for i in range(m + n):
    result.append(int(num12[i]))
result.sort()

# 过滤
result1 = []
for j in range(m + n):
    if result[j] not in result1:
        result1.append(result[j])
for k in range(len(result1)):
    print(result1[k], end="")