'''
serve
'''
import socket
while True:
    s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)              #本机端口localhost: 127.0.0.1,port=0~65535

    s.bind(('127.0.0.1',8001))

    s.listen()

    conn,address = s.accept()
    data = conn.recv(1024)          #接收
    print("已接收到内容:"+data.decode())

    conn.sendall((str(data)).encode())

    s.close()