题解 | 整数与IP地址间的转换
def ip2ipx(ip): x0, x1, x2, x3 = map(int,ip.split('.')) return x0 * 256 * 256 * 256 + x1 * 256 * 256 + x2 * 256 + x3 def ipx2ip(ipx): ip = '' ipx = int(ipx) for i in range(4): ip = str(ipx % 256) + ip ipx = int(ipx / 256) if ipx > 0: ip = '.' + ip return ip print(ip2ipx(input(''))) print(ipx2ip(input('')))