1. 客户端和服务器聊天，可以一直聊天，直到一方发送’拜拜’。然后就可以和下一个人一直聊
   服务器：

import socket

server = socket.socket()

server.bind(('10.7.153.120', 1234))

server.listen(512)

while True:
    while True:
        connect,addr = server.accept()
        print('正在监听')
        print(addr)

        data = connect.recv(512)
        if data.decode() == '拜拜':
            break
        print(data.decode())

        msg = input('服务器:')
        if msg == '拜拜':
            break
        connect.send(msg.encode())
server.close()

客户端：

import socket

client = socket.socket()

client.connect(('10.7.153.120', 1234))

while True:
    msg = input('客户端:')
    client.send(msg.encode())
    # if msg == '拜拜':
    #     break

    data = client.recv(512)
    print(data.decode())
client.close()

2. 下载网络图片(https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=2808438283,4249462766&fm=26&gp=0.jpg）到本地

url = 'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=2808438283,4249462766&fm=26&gp=0.jpg'

response = requests.get(url)

with open('./files/load.jpg','wb') as f:
    f.write(response.content)