[docs]: standardize doc loader doc strings (#25325)

docs/docs/integrations/document_loaders/pypdfloader.ipynb

@@ -122,7 +122,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -131,21 +131,41 @@
        "6"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "page = []\n",
+    "pages = []\n",
     "for doc in loader.lazy_load():\n",
-    "    page.append(doc)\n",
-    "    if len(page) >= 10:\n",
+    "    pages.append(doc)\n",
+    "    if len(pages) >= 10:\n",
     "        # do some paged operation, e.g.\n",
     "        # index.upsert(page)\n",
     "\n",
-    "        page = []\n",
-    "len(page)"
+    "        pages = []\n",
+    "len(pages)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "LayoutParser : A Unified Toolkit for DL-Based DIA 11\n",
+      "focuses on precision, efficiency, and robustness. \n",
+      "{'source': './example_data/layout-parser-paper.pdf', 'page': 10}\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(pages[0].page_content[:100])\n",
+    "print(pages[0].metadata)"
    ]
   },
   {

docs/docs/integrations/document_loaders/recursive_url.ipynb

@@ -229,14 +229,14 @@
     }
    ],
    "source": [
-    "page = []\n",
+    "pages = []\n",
     "for doc in loader.lazy_load():\n",
-    "    page.append(doc)\n",
-    "    if len(page) >= 10:\n",
+    "    pages.append(doc)\n",
+    "    if len(pages) >= 10:\n",
     "        # do some paged operation, e.g.\n",
     "        # index.upsert(page)\n",
     "\n",
-    "        page = []"
+    "        pages = []"
    ]
   },
   {