orders.py — tutorial
import csv
from pathlib import Path
def load_orders(path: Path) -> list[dict]:
"""Read orders.csv and keep only paid rows."""
with path.open(newline="") as f£:
rows = csv.DictReader(f)
return [r for r in rows if r["status"] == "paid"]
if _name == "_ main":
orders = load_orders(Path("orders.csv"))
total = sum(float(o["amount"]) for o in orders)
print(f"{len(orders)} paid orders, {total:.2f£} total")
D 6:12 / 16:40