chore: initial import of standalone agentscope project

examples/agent/a2a_agent/main.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+"""The main entry for the A2A agent example."""
+import asyncio
+
+from agent_card import agent_card
+
+from agentscope.agent import UserAgent, A2AAgent
+
+
+async def main() -> None:
+    """The main entry for the example, where we build a simple conversation
+    between the A2A agent and the user."""
+
+    user = UserAgent("user")
+
+    agent = A2AAgent(
+        agent_card=agent_card,
+    )
+
+    msg = None
+    while True:
+        msg = await user(msg)
+        if msg.get_text_content() == "exit":
+            break
+        msg = await agent(msg)
+
+
+asyncio.run(main())