How to set up a virtual machine so that it can communicate with both the host and another virtual machine in VirtualBox over the network?

Question

virtual box

A program with sockets in Python, you need one client (1 virtual machine) to be able to interact with one server (on the host) and another server on 2 virtual machines

Answer 1

Set network settings in virtual machines - bridge
Then they will receive settings from your router and will be in the same local network