import socket,struct in_cidr = lambda ip, network, cidr: struct.unpack("!L", socket.inet_aton(ip))[0] & ~((1 << (32 - cidr)) - 1) == struct.unpack("!L", socket.inet_aton(network))[0]
import socket,struct in_cidr = lambda ip, network, cidr: struct.unpack("!L", socket.inet_aton(ip))[0] & ~((1 << (32 - cidr)) - 1) == struct.unpack("!L", socket.inet_aton(network))[0]