Smiley Face part 1
A yellow smiley face rendered with React and SVG, centered on a 960 by 500 canvas. The code uses React’s functional component to return the SVG elements, drawing a filled circle for the face, two smaller circles for eyes, and an arc path for the mouth via `d3.arc()`. The arc’s start and end angles are set to create the smile, and the stroke width and radii are hardcoded. The visual is a simple, static illustration without interactivity, relying on D3 v6’s `arc` API for the mouth shape.