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   "source": [
    "# 11-22 · Przekształcenia i comprehensions\n",
    "\n",
    "Praktyka do sekcji [„Transformacje i comprehensions”"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "79b4ecad",
   "metadata": {},
   "source": [
    "## Cel\n",
    "\n",
    "Buduj list/set/dict comprehension."
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4829b7f3",
   "metadata": {},
   "source": [
    "## Podstawowa praktyka zadań ★\n",
    "\n",
    "Budowę: lista kwadraty o liczbach parzystych od 1 do 10 (`kvadraty_chetnyh`), zbiór unikalne małe litery słowa `\"Programming\"` (`bukvy`), oraz słownik „długość słowa →” `[\"python\", \"git\", \"sql\"]` (`slovar_dlin`) — przez cały comprehension."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "415f29fd",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-08-17T14:44:53.633041Z",
     "iopub.status.busy": "2026-08-17T14:44:53.632909Z",
     "iopub.status.idle": "2026-08-17T14:44:53.648813Z",
     "shell.execute_reply": "2026-08-17T14:44:53.648290Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[4, 16, 36, 64, 100]\n",
      "['a', 'g', 'i', 'm', 'n', 'o', 'p', 'r']\n",
      "{'python': 6, 'git': 3, 'sql': 3}\n"
     ]
    }
   ],
   "source": [
    "kvadraty_chetnyh = [n ** 2 for n in range(1, 11) if n % 2 == 0]\n",
    "bukvy = {ch.lower() for ch in \"Programming\"}\n",
    "slovar_dlin = {word: len(word) for word in [\"python\", \"git\", \"sql\"]}\n",
    "\n",
    "print(kvadraty_chetnyh)\n",
    "print(sorted(bukvy))\n",
    "print(slovar_dlin)"
   ]
  }
 ],
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