Harrison/prompt template prefix (#888)

Co-authored-by: Gabriel Simmons <simmons.gabe@gmail.com>

docs/modules/prompts/examples/prompt_management.ipynb

@@ -153,7 +153,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "72f32ff2",
+   "id": "cc991ad2",
    "metadata": {},
    "source": [
     "## From Template\n",
@@ -163,7 +163,7 @@
   {
    "cell_type": "code",
    "execution_count": 2,
-   "id": "2a81f2f8",
+   "id": "d0a0756c",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -174,7 +174,7 @@
   {
    "cell_type": "code",
    "execution_count": 3,
-   "id": "d365b144",
+   "id": "59046640",
    "metadata": {},
    "outputs": [
     {
@@ -332,6 +332,69 @@
     "print(prompt_from_string_examples.format(adjective=\"big\"))"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "874b7575",
+   "metadata": {},
+   "source": [
+    "## Few Shot Prompts with Templates\n",
+    "We can also construct few shot prompt templates where the prefix and suffix themselves are prompt templates"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "e710115f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from langchain.prompts import FewShotPromptWithTemplates"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "5bf23a65",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "prefix = PromptTemplate(input_variables=[\"content\"], template=\"This is a test about {content}.\")\n",
+    "suffix = PromptTemplate(input_variables=[\"new_content\"], template=\"Now you try to talk about {new_content}.\")\n",
+    "\n",
+    "prompt = FewShotPromptWithTemplates(\n",
+    "    suffix=suffix,\n",
+    "    prefix=prefix,\n",
+    "    input_variables=[\"content\", \"new_content\"],\n",
+    "    examples=examples,\n",
+    "    example_prompt=example_prompt,\n",
+    "    example_separator=\"\\n\",\n",
+    ")\n",
+    "output = prompt.format(content=\"animals\", new_content=\"party\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "id": "d4036351",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "This is a test about animals.\n",
+      "Input: happy\n",
+      "Output: sad\n",
+      "Input: tall\n",
+      "Output: short\n",
+      "Now you try to talk about party.\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(output)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "bf038596",