Update 2-Working-With-Data/08-data-preparation/notebook.ipynb

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

2-Working-With-Data/08-data-preparation/notebook.ipynb

@@ -3909,8 +3909,11 @@
       "metadata": {},
       "outputs": [],
       "source": [
+        "try:\n",
         "    from scipy import stats\n",
-        "\n",
+        "except ImportError:\n",
+        "    print(\"scipy is required for Z-score calculation. Please install it with 'pip install scipy' and rerun this cell.\")\n",
+        "else:\n",
         "    # Calculate Z-scores for age\n",
         "    dirty_data['age_zscore'] = np.abs(stats.zscore(dirty_data['age']))\n",
         "\n",