from agno.agent import Agentfrom agno.tools.duckduckgo import DuckDuckGoToolsfrom agno.storage.yaml import YamlStorageagent = Agent( storage=YamlStorage(path="tmp/agent_sessions_yaml"), tools=[DuckDuckGoTools()], add_history_to_messages=True,)agent.print_response("How many people live in Canada?")agent.print_response("What is their national anthem called?")