{
  "schemaVersion": 1,
  "id": "mesh-sphere-plane",
  "code": "def sfera(x, y, z, r=5):\n    return x*x + y*y + z*z - r*r\n\ndef plaszczyzna(x, y, z):\n    return z - 1\n\nrysuj_3(sfera, plaszczyzna)\n",
  "preparedInput": null,
  "lesson": null
}