Set up the server-side logic. Implement user authentication (signup/login) and create an API endpoint to retrieve user profile data securely.

Animate the main image on the landing page so it gently fades in when the page first loads to create a welcoming effect.

Refactor the data processing function to handle larger inputs more efficiently. Could we use a different algorithm or data structure?

Create a simple portfolio website. It needs sections for Home, About Me, and a Contact Form. Use a clean, modern design theme and placeholder content.

My script fails when processing user input. The error seems to be in the validation function. Can you help debug the validate_input part? Here’s the relevant error message: