ClearButton

import gradio as gr

with gr.Blocks() as demo:
    text = gr.Textbox(label="Input")
    output = gr.Textbox(label="Output")
    clear = gr.ClearButton([text, output])
    
demo.launch()

clear_btn = gr.ClearButton()
clear_btn.add([component1, component2])

import gradio as gr

def process(text, num):
    return f"{text} - {num}"

with gr.Blocks() as demo:
    with gr.Row():
        text_input = gr.Textbox(label="Text")
        num_input = gr.Number(label="Number")
    
    output = gr.Textbox(label="Result")
    
    with gr.Row():
        submit = gr.Button("Submit")
        clear = gr.ClearButton([text_input, num_input, output])
    
    submit.click(fn=process, inputs=[text_input, num_input], outputs=output)
    
demo.launch()