| import gradio as gr | |
| with gr.Blocks() as demo: | |
| cart = gr.State([]) | |
| items_to_add = gr.CheckboxGroup(["Cereal", "Milk", "Orange Juice", "Water"]) | |
| def add_items(new_items, previous_cart): | |
| cart = previous_cart + new_items | |
| return cart | |
| gr.Button("Add Items").click(add_items, [items_to_add, cart], cart) | |
| cart_size = gr.Number(label="Cart Size") | |
| gr.Button("Get Cart Size").click(lambda cart: len(cart), cart, cart_size) | |
| if __name__ == "__main__": | |
| demo.launch() |