rename variable to items

Author: mbektas

notebooks/06.01-widget-layout-and-styling.ipynb

@@ -409,13 +409,13 @@
    "source": [
     "from ipywidgets import Layout, Button, HBox\n",
     "\n",
-    "items_0 = [\n",
+    "items = [\n",
     "    Button(description='weight=1; 0%', layout=Layout(flex='1 1 0%', width='auto'), button_style='danger'),\n",
     "    Button(description='weight=3; 0%', layout=Layout(flex='3 1 0%', width='auto'), button_style='danger'),\n",
     "    Button(description='weight=1; 0%', layout=Layout(flex='1 1 0%', width='auto'), button_style='danger'),\n",
     "]\n",
     "box_layout = Layout(align_items='stretch', width='70%')\n",
-    "HBox(children=items_0, layout=box_layout)"
+    "HBox(children=items, layout=box_layout)"
    ]
   },
   {