1. 간단한 CRUDfrom typing import Optionalfrom fastapi import FastAPIfrom pydantic import BaseModelapp = FastAPI()items = { 0: {"name" : "라면", "price" : 1000}, 1: {"name" : "콜라", "price" : 2000}, 2: {"name" : "사이다", "price" : 3000}}# Path parameter@app.get("/")def read_root(): return "Hello World"@app.get("/items/{item_id}")def read_item(item_id: int): item = item..