from typing import Annotated
import typer

app = typer.Typer()

@app.command()
def register(
    user: Annotated[str, typer.Argument()],
    age: Annotated[int, typer.Option(min=18)],
    score: Annotated[float, typer.Option(max=100)] = 0,
):
    print(f"User is {user}")
    print(f"--age is {age}")
    print(f"--score is {score}")

if __name__ == "__main__":
    app()