服务端

import socket
import subprocess

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

phone.bind(('127.0.0.1', 8080))

phone.listen(5)

while True:
    conn, addr = phone.accept()

    while True:
        try:
            data = conn.recv(1024)
            obj = subprocess.Popen(data.decode('utf-8'), shell=True,
                                   stdout=subprocess.PIPE,
                                   stderr=subprocess.PIPE,
                                   )
            res1 = obj.stdout.read()
            res2 = obj.stderr.read()
            conn.send(res1)
            conn.send(res2)
        except Exception:
            break

    conn.close()

客户端

import socket

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

phone.connect(('127.0.0.1', 8080))

while True:
    msg = input("输入要发送的消息>>>: ").strip()
    if len(msg) == 0:
        continue
    phone.send(msg.encode('utf-8'))
    data = phone.recv(1024)
    print(data.decode('gbk'))

phone.close()