Add AI Agent sample console app

Author: Maryanne Gichohi

examples/Python/ai-agent-sample-app/app.py

@@ -0,0 +1,35 @@
+import asyncio
+import os
+from agent_framework.declarative import AgentFactory
+from azure.identity.aio import AzureCliCredential
+from azure.identity import DefaultAzureCredential
+from azure.appconfiguration.provider import load
+
+async def main():
+    endpoint = os.environ["APP_CONFIGURATION_ENDPOINT"]
+    credential = DefaultAzureCredential()
+
+    config = load(endpoint=endpoint, credential=credential)
+
+    yaml_str = config["Agent:Spec"]
+    
+    async with (
+        AzureCliCredential() as credential,
+        AgentFactory(client_kwargs={"async_credential": credential, "project_endpoint": config["Agent:ProjectEndpoint"]}).create_agent_from_yaml(yaml_str) as agent,
+    ):
+        while True:
+            print("How can I help? (type 'quit' to exit)")
+
+            user_input = input("User: ")
+            
+            if user_input.lower() in ['quit', 'exit', 'bye']:
+                break
+
+            response = await agent.run(user_input)
+            print("Agent response: ", response.text)
+            input("Press enter to continue...")
+            
+        print("Exiting... Goodbye...")
+
+if __name__ == "__main__":
+    asyncio.run(main())