create a udp client on a specific port in python

To create a UDP client on a specific port in Python, you can use the socket module. Here is an example code snippet:


main.py
import socket

UDP_IP = "127.0.0.1"  # IP address of the server
UDP_PORT = 5005  # port number to use
MESSAGE = "Hello, World!"  # message to send

client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # create UDP socket
client_socket.bind(("", UDP_PORT))  # bind to the specified port
client_socket.sendto(MESSAGE.encode(), (UDP_IP, UDP_PORT))  # send message to the server

data, addr = client_socket.recvfrom(1024)  # receive response from server, buffer size is 1024 bytes
print("received message:", data.decode())  # print received message

client_socket.close()  # close the socket
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In this example, we create a UDP socket using socket.socket(), and then bind it to the specified port using bind(). We then send a message to the server using sendto(), and finally receive a response from the server using recvfrom(). We close the socket using close() when we are done. Note that we encode the message as bytes using encode() before sending, and decode the received data using decode() before printing it.

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