# coding: utf-8
import socket

# 定义一个消息列表
messages = ['This is the message ', 'It will be sent ', 'in parts ', ]

# 定义一个元祖，指定想要连接的服务端。
server_address = ('localhost', 8090)

# Create aTCP/IP socket

# 初始化两个socket
# Connect thesocket to the port where the server is listening

# 打印出要连接的IP和端口
# 然后进行连接到服务器。
# 连接到服务器
for i in range(10):
    socks = [socket.socket(socket.AF_INET, socket.SOCK_STREAM), socket.socket(socket.AF_INET, socket.SOCK_STREAM)]
    print('connecting to %s port %s' % server_address)
    for s in socks:
        print(s)
        s.connect(server_address)

    # 循环遍历，进行发送消息
    for index, message in enumerate(messages):
        # Send messages on both sockets
        # 遍历定义的socket，然后进行发送定义好的消息。
        for s in socks:
            print('%s: sending "%s"' % (s.getsockname(), message + str(index)))
            s.send(bytes((message + str(index)).encode('utf-8')))
        # Read responses on both sockets

    # 进行接收消息，
    for s in socks:
        # 循环进行接收消息
        data = s.recv(1024)
        # 打印出接收的IP，端口，和接收到的消息。
        print('%s: received "%s"' % (s.getsockname(), data))
        if data != "":
            print('closingsocket', s.getsockname())
            s.close()

出处：https://www.cnblogs.com/cong12586/p/14071335.html