t = float(input()) n = int(input())

import time

格式化时间为本地时间并输出

local_time = time.localtime(t) print(time.strftime("%Y-%m-%d %H:%M:%S", local_time))

增加n秒并输出当前时间

new_time = t + n local_time = time.localtime(new_time) print(time.strftime("%Y-%m-%d %H:%M:%S", local_time))