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| import gradio as gr | |
| def calculate_selling_price(daily_circulation, annual_expenses, days_sold): | |
| try: | |
| # Calculate the selling price per copy | |
| selling_price = annual_expenses / (daily_circulation * days_sold) | |
| return f"₹{selling_price:.2f} per copy" | |
| except ZeroDivisionError: | |
| return "Invalid input: Daily circulation and days sold must be greater than zero." | |
| def concept_summary(): | |
| summary = ( | |
| "**Concept: Applying Print Economics to Digital News**\n\n" | |
| "In print media, unit economics are straightforward: \n" | |
| "Selling Price = Annual Expenses / (Daily Circulation × Days Sold).\n\n" | |
| "For digital news, while it eliminates printing costs, new challenges arise:\n" | |
| "- High fixed costs like servers and technology.\n" | |
| "- A smaller paying subscriber base.\n\n" | |
| "Example for Digital:\n" | |
| "If annual expenses are ₹500 crores and there are 10 lakh subscribers,\n" | |
| "Subscription Price = ₹500,00,00,000 / 10,00,000 = ₹5000/year (~₹417/month).\n\n" | |
| "Conclusion: Digital news is undoubtedly the future, but relying solely on subscription revenue is \n" | |
| "as impractical for digital as it is for print. Just as print media relies on a mix of subscription, \n" | |
| "advertising, and sponsorships, digital news platforms must adopt hybrid models \n" | |
| "(ads + subscription + partnerships) to remain sustainable." | |
| ) | |
| return summary | |
| # Gradio interface | |
| interface = gr.Interface( | |
| fn=calculate_selling_price, | |
| inputs=[ | |
| gr.Number(label="Daily Circulation (e.g., 1000000 for 10 lakh copies)"), | |
| gr.Number(label="Annual Expenses (in ₹, e.g., 900000000 for ₹900 crores)"), | |
| gr.Number(label="Days Sold (e.g., 360)") | |
| ], | |
| outputs=gr.Textbox(label="Selling Price per Copy"), | |
| examples=[[1000000, 900000000, 360]], | |
| title="Newspaper Selling Price Calculator", | |
| description=( | |
| "This calculator helps determine the selling price per copy of a newspaper based on its " | |
| "daily circulation, annual expenses, and the number of days it is sold in a year.\n\n" | |
| + concept_summary() | |
| ) | |
| ) | |
| if __name__ == "__main__": | |
| interface.launch() | |