app.py

import gradio as gr

# Function to calculate total returns
def calculate_returns(initial_investment, annual_dividend_yield, monthly_sip, expected_return, time_duration):
    months = time_duration * 12
    monthly_return = (1 + expected_return) ** (1 / 12) - 1
    total_value = initial_investment
    
    for i in range(months):
        total_value = (total_value + monthly_sip) * (1 + monthly_return)
        total_value += total_value * (annual_dividend_yield / 12)  # Add monthly dividend yield
    
    return total_value

# Gradio interface function
def total_returns_calculator(initial_investment, annual_dividend_yield, monthly_sip, expected_return, time_duration):
    annual_dividend_yield /= 100  # Convert percentage to decimal
    expected_return /= 100  # Convert percentage to decimal
    total_returns = calculate_returns(initial_investment, annual_dividend_yield, monthly_sip, expected_return, time_duration)
    return f"Total Returns after {time_duration} years: {total_returns:.2f}"

# Gradio interface setup
inputs = [
    gr.Number(label="Initial Investment Corpus"),
    gr.Number(label="Annual Dividend Yield (%)"),
    gr.Number(label="Monthly SIP Contribution"),
    gr.Number(label="Expected Annual Return (%)"),
    gr.Number(label="Time Duration (years)")
]

outputs = gr.Textbox(label="Total Returns")

gr.Interface(
    fn=total_returns_calculator, 
    inputs=inputs, 
    outputs=outputs, 
    title="Total Returns Calculator",
    description="Calculate the total returns of your investment with annual dividend yield and monthly SIP contributions."
).launch()