from prefect import flow, task
from prefect.assets import materialize

@materialize("s3://assets_a")
def assets_a():
    print("assets_a")


@materialize("s3://assets_b", asset_deps=["s3://assets_a"])
def assets_b():
    print("assets_b")

@task(name="task_a")
def task_a():
    assets_b()
    print("task_a")

@flow(log_prints=True)
def explain_flows():
    print("run any python code here!")
    print("encapsulate that business logic!")

if __name__ == "__main__":
    explain_flows()