import gradio as gr

def addition_action(first, second):
    result = first + second
    return result

def subtraction_action(first, second):
    result = first - second
    return result

def product_action(first, second):
    result = first * second
    return result

def division_action(first , second):
    if second != 0:
        result = first / second  # Use float division for true division
    else:
        result = "Error: Division by zero"
    return result

# Gradio Interface function
def calculate(first, second, operation):
    if operation == "Addition":
        return addition_action(first, second)
    elif operation == "Subtraction":
        return subtraction_action(first, second)
    elif operation == "Multiplication":
        return product_action(first, second)
    elif operation == "Division":
        return division_action(first, second)
    else:
        return "Invalid Operation"

# Gradio Interface setup
operation_choices = ["Addition", "Subtraction", "Multiplication", "Division"]

iface = gr.Interface(
    fn=calculate, 
    inputs=[
        gr.Number(label="First Value"),
        gr.Number(label="Second Value"),
        gr.Dropdown(choices=operation_choices, label="Operation")
    ],
    outputs="text",
    live=True
)

iface.launch()