{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "fc22cbaa",
   "metadata": {},
   "source": [
    "# Pricing API\n",
    "A small, deterministic example with no external data."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "7a4ec73a",
   "metadata": {},
   "outputs": [],
   "source": [
    "from typing import Dict, List\n",
    "\n",
    "\n",
    "def total(prices: List[float], tax: float = 0.2) -> float:\n",
    "    return round(sum(prices) * (1 + tax), 2)\n",
    "\n",
    "\n",
    "async def greet(name: str = \"world\") -> Dict[str, str]:\n",
    "    return {\"message\": f\"Hello {name}!\"}"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "name": "python"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}