Update app.py

app.py

@@ -1,6 +1,12 @@
 from fastapi import FastAPI
 from fastapi.responses import HTMLResponse
+from pydantic import BaseModel
 
+class Item(BaseModel):
+    name: str
+    price: float
+
+    
 app = FastAPI()
 
 
@@ -14,7 +20,6 @@ def home():
 def hello():
     return {"hello": "world"}
 
-
-@app.get("/hello/{name}")
-def greet(name):
-    return {"greeting": f"Hello {name}!"}
+@app.post("/items")
+def update_item(item: Item):
+    return {"item_name": item.name, "twice price": item.price * 2}