#导入socket包

import socket

#使用socket.socket创建socket连接

#AF_INET表示通信类型，与IPv4对应

#SOCK_STREAM对应TCP通信

print('creating socket...')

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)

print('done')

print('looking up port number..')

port=socket.getservbyname('http','tcp')

print('done')

#tuple

print('connecting to remote host on port %d...'%port)

s.connect(('www.baidu.com',port))

print('done')

#返回本地IP和端口号，返回远程机器IP和端口号

print(s.getsockname())

print(s.getpeername())