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#include <iostream>
namespace geometryDetails {
std::ostream& print3D(std::ostream& s, double x, double y, double z) {
return s << " (" << x << ',' << y << ',' << z << ") ";
}
std::ostream& print2D(std::ostream& s, double x, double y) { return s << " (" << x << ',' << y << ") "; }
} // namespace geometryDetails
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