Python Code Enhancement for Payment & Discounts

I need a skilled Python developer who can refine my existing Python code to incorporate payment and discount features.

Key Tasks:
- Integrate a system payment component into the code
- Create a payment summary page within the mock-up
- Design a confirmation message within the mock-up
- Implement a percentage-based discount system
-must be done within one day

Ideal Skills:
- Proficiency in Python programming
- Experience with payment system integrations
- Skills in creating user-friendly mock-ups
- Knowledge of implementing discount systems in code

Please be prepared to demonstrate your relevant experience and share examples of similar projects you have completed in the past.