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Python Code Snippet: Simple RESTful API with FastAPI

json python
JSON Asynchronous REST API FastAPI pydantic uvicorn 
from fastapi import FastAPI
from pydantic import BaseModel
from typing import List

app = FastAPI()

class Book(BaseModel):
    title: str
    author: str

# Sample data
books_db = [
    Book(title="The Catcher in the Rye", author="J.D. Salinger"),
    Book(title="To Kill a Mockingbird", author="Harper Lee"),
    Book(title="1984", author="George Orwell")
]

@app.get("/books/", response_model=List[Book])
async def get_books():
    return books_db

@app.post("/books/", response_model=Book)
async def add_book(book: Book):
    books_db.append(book)
    return book

if __name__ == "__main__":
    import uvicorn
    uvicorn.run(app, host="127.0.0.1", port=8000)

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