add texts example (#985)

Co-authored-by: Harrison Chase <harrisonchase@Harrisons-MacBook-Pro.local>

docs/modules/utils/combine_docs_examples/vectorstores.ipynb

@@ -68,7 +68,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 4,
    "id": "67baf32e",
    "metadata": {
     "pycharm": {
@@ -98,6 +98,68 @@
     "print(docs[0].page_content)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "fb6baaf8",
+   "metadata": {},
+   "source": [
+    "## Add texts\n",
+    "You can easily add text to a vectorstore with the `add_texts` method. It will return a list of document IDs (in case you need to use them downstream)."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "70758e4f",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['64108bd0-4d91-485c-9743-1e18debdd59e']"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "docsearch.add_texts([\"Ankush went to Princeton\"])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "4edeb88f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "query = \"Where did Ankush go to college?\"\n",
+    "docs = docsearch.similarity_search(query)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "1cba64a2",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Document(page_content='Ankush went to Princeton', lookup_str='', metadata={}, lookup_index=0)"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "docs[0]"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "bbf5ec44",
@@ -646,7 +708,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.9"
+   "version": "3.9.1"
   }
  },
  "nbformat": 4,