import gradio as gr
import random

# 定義抽籤函數
def draw_lottery(max_number):
    if max_number <= 0:
        return "請輸入一個正整數"
    return random.randint(1, max_number)

# 創建 Gradio 介面
with gr.Blocks() as demo:
    with gr.Row():
        max_number_input = gr.Number(label="班級座號的最大值", value=40, precision=0)
        result_output = gr.Textbox(label="抽中的號碼")
    
    draw_button = gr.Button("抽籤")
    
    draw_button.click(draw_lottery, inputs=max_number_input, outputs=result_output)

# 啟動介面
demo.launch()