python samples - host_agent detailed walkthrough

Can we get a detailed tutorial on the host_agent interaction with multiple remote agents?

A detailed explanation on remote_agent_connections.py, send_message will be helpful for everyone.

Tried the codelabs https://codelabs.developers.google.com/intro-a2a-purchasing-concierge#1
It uses TaskSendParams, a2a_client folder and a2a_types.py. Is this deprecated?

The issue asks for a detailed tutorial on host_agent interaction and remote_agent_connections.py. Start by examining the a2a-samples repository, specifically the host_agent and remote_agent_connections.py files. Review the linked codelabs to understand the current vs. deprecated structures. The goal is to create a walkthrough explaining how send_message works and how multiple remote agents connect.

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