Instant messaging with Python

How to program both the client – complete with a GUI – and server of a simple instant messenger in Python

Here we’ll be implementing an instant messenger in Python with a client-server architecture. This means each client connects to the server, which relays any message that one client sends to all other clients. The server will also notify the other clients when someone joins or leaves the server. The instant messenger can work anywhere a TCP socket can: on the same computer with the loopback interface, across various computers on a LAN, or even over the internet if you were to configure your router correctly. However, our messages aren’t encrypted, so we wouldn’t recommend that. Writing an instant messenger is an interesting technical problem that covers a bunch of areas that you may not have come across while programming before: • We’ll be employing sockets, which are used to transmit data…

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The Python Book (Digital) - 1 Issue, The Python Book 16th Edition

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