Julia Pais Anal Here

# ---- 3️⃣ Compute derived metrics -------------------------------- density = info.area_km2 > 0 ? info.population / info.area_km2 : missing

Fetches basic data for the given country from the REST Countries API, computes population density, and (optionally) merges a GDP‑per‑capita value from a user‑provided `gdp_table`. julia pais anal

# Turn a dictionary of currencies (e.g. "USD"=>"name"=>"United States dollar","symbol"=>"$") into a vector of strings. function currencies_from_dict(dict::Dict) return [string(v["name"], " (", get(v, "symbol", "?"), ")") for (_, v) in dict] end computes population density