import gradio as gr

def greet(name, age, city,Key):
    return f"Hello {name}! You are {age} years old, you live in {city} and your key is:  ."

inputs = [
    gr.inputs.Textbox(label="Name",type="text"),
    gr.inputs.Textbox(label="Age", type="text"),
    gr.inputs.Textbox(label="City",type="text"),
    gr.inputs.Textbox(label="Key",type="password")
]

iface = gr.Interface(fn=greet, inputs=inputs, outputs="text", title="Greeting App", description="Enter your name, age, and city to get a greeting!")

iface.launch()