from fastapi import FastAPI
# 创建一个FastAPI实例
app = FastAPI()


@app.get("/")
async def root():
    return {"message": "Hello World"}


if __name__ == "__main__":
    import uvicorn
    #3.利用uviconrn将fastapi对象拉起来
    uvicorn.run(app, host="0.0.0.0", port=8000)