Logistics Warehouse Dispatch Agent

import json, csv
from typing import List, Dict

ORDERS = [
  {"id":"ORD-5001","items":3,"weight":2.5,"zone":"A","courier":"J&T"},
  {"id":"ORD-5002","items":1,"weight":0.8,"zone":"B","courier":"PosLaju"},
  {"id":"ORD-5003","items":5,"weight":4.2,"zone":"C","courier":"DHL"},
  {"id":"ORD-5004","items":2,"weight":1.5,"zone":"A","courier":"GDEX"},
]

def generate_pick_list(orders: List[Dict]) -> List[Dict]:
    return sorted(orders, key=lambda o: o["zone"])

def assign_courier(order: Dict) -> str:
    if order["weight"] < 1.0: return "PosLaju"
    if order["weight"] < 3.0 and order["zone"] in ("A","B"): return "J&T"
    if order["weight"] < 5.0: return "DHL"
    return "GDEX"

def print_manifest(pick_list: List[Dict]) -> None:
    for o in pick_list:
        print(f"{o['id']} → {o['items']} items, {o['weight']}kg → {o['courier']}")

pick_list = generate_pick_list(ORDERS)
manifest = [assign_courier(o) for o in pick_list]
print_manifest(pick_list)
print(json.dumps({"total_orders": len(pick_list), "total_weight": sum(o["weight"] for o in pick_list)}))