第一题:提取年份 import re strs = input().strip() res = [] tmp = re.findall(r'\d+', strs) print(tmp) for num in tmp: num = int(num) if 1000 <= num <= 3999 and num not in res: res.append(num) print(' '.join(map(str, res)))第二题:王子与公主 T = int(input()) for _ in range(T): matrix = []...