socket python functions

1#!/usr/bin/env python3
2
3import socket
4
5HOST = '127.0.0.1'  # Standard loopback interface address (localhost)
6PORT = 65432        # Port to listen on (non-privileged ports are > 1023)
7
8with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
9    s.bind((HOST, PORT))
10    s.listen()
11    conn, addr = s.accept()
12    with conn:
13        print('Connected by', addr)
14        while True:
15            data = conn.recv(1024)
16            if not data:
17                break
18            conn.sendall(data)
19

1#!/usr/bin/env python3
2
3import socket
4
5HOST = '127.0.0.1'  # The server's hostname or IP address
6PORT = 65432        # The port used by the server
7
8with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
9    s.connect((HOST, PORT))
10    s.sendall(b'Hello, world')
11    data = s.recv(1024)
12
13print('Received', repr(data))
14

1conn, addr = s.accept()
2with conn:
3    print('Connected by', addr)
4    while True:
5        data = conn.recv(1024)
6        if not data:
7            break
8        conn.sendall(data)
9

1conn, addr = s.accept()
2

1with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
2    pass  # Use the socket object without calling s.close().
3

1HOST = '127.0.0.1'  # Standard loopback interface address (localhost)
2PORT = 65432        # Port to listen on (non-privileged ports are > 1023)
3
4# ...
5
6s.bind((HOST, PORT))
7

1s.listen()
2conn, addr = s.accept()
3