import gradio as gr

def predict_length(sep_length, sep_width, pet_length, pet_width):
    return f"Sepal Length: {sep_length}, Sepal Width: {sep_width}, Petal Length: {pet_length}, Petal Width: {pet_width}"    

iface = gr.Interface(
    fn=predict_length, 
    inputs=[
        gr.Textbox(label="Sepal Length"),
        gr.Textbox(label="Sepal Width"),
        gr.Textbox(label="Petal Length"),
        gr.Textbox(label="Petal Width"),
    ], 
    outputs="text",
    live=True
)

iface.launch()