Q1. A1.
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This example shows the top five countries by population in 2020 as a pie chart with a color-coded legend, using data from a CSV file loaded via `d3.csv`. The pie slices are generated with `d3.pie` and `d3.arc`, colored by `d3.schemeCategory10`, and rendered as SVG paths. A legend, built with appended `rect` and `text` elements, maps each country to its slice color.
AI-generated descriptionMIT Licensed