pip install boto3
export AWS_ACCESS_KEY_ID=your_key
export AWS_SECRET_ACCESS_KEY=your_secret
export AWS_DEFAULT_REGION=us-east-1

from praisonaiagents import Agent

agent = Agent(
    name="Assistant",
    instructions="You are a helpful assistant.",
    memory={
        "backend": "dynamodb",
        "db": "dynamodb://us-east-1/table-name",
        "session_id": "my-session"
    }
)

response = agent.start("Hello!")
print(response)