app.py

from fastapi import FastAPI

app = FastAPI(title="My App")
from pydantic import BaseModel

data = [
    {"id": 2,
     "name": "ABC",
     "description": "abc@demo.com"

     }
    , {"id": 3,
       "name": "DEF",
       "description": "abc@demo.com"

       }
    , {"id": 5,
       "name": "GHI",
       "description": "abc@demo.com"
       }]


class Item(BaseModel):
    id: int
    name: str
    description: str


@app.get("/save/{id}")
def hello(id: int):
    print(data)
    for i in data:
        if i['id'] == id:
            return i

    return {"message": "Data not found"}


@app.post("/save")
def add(item: Item):
    print(item)

    d = {
        "id": item.id,
        "name": item.name,
        "description": item.description
    }
    data.append(d)
    return {"message": "Data saved successfully"}


@app.delete("/save/{id}")
def delete_data(id: int):
    if len(data) != 0:
        for i in data:
            if i['id'] == id:
                data.remove(i)

                return {"message": "Data deleted"}

    return {"message": "Data not found"}