The `listen_for_messages` function uses the `socket` module in Python to create a TCP/IP socket that listens for incoming messages on port 8080 of the IP address `0.0.0.0`. The function uses the `with` statement to ensure that the socket is closed properly, even if an exception occurs.

The function calls `s.bind(("0.0.0.0", 8080))` to bind the socket to the specified IP address and port number. The function then calls `s.listen()` to start listening for incoming connections.

When a connection is received, the function calls `s.accept()` to accept the connection and return a new socket object, `conn`, that is connected to the client, along with the client's address, `addr`. The function then enters a `while` loop, where it repeatedly calls `conn.recv(1024)` to receive data from the client.

The `recv` method returns `None` when the connection is closed, so the `if` statement `if not data: break` is used to exit the loop and close the connection when no more data is available. The function then decodes the received data and prints it to the console.
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