docs: fix a couple of small indentation errors in the strings (#7951)

Fixed a few indentations I came across in the docs @baskaryan

docs/extras/modules/model_io/prompts/prompt_templates/custom_prompt_template.ipynb

@@ -36,7 +36,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 1,
    "id": "c831e1ce",
    "metadata": {},
    "outputs": [],
@@ -59,7 +59,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 2,
    "id": "3ad1efdc",
    "metadata": {},
    "outputs": [],
@@ -67,6 +67,14 @@
     "from langchain.prompts import StringPromptTemplate\n",
     "from pydantic import BaseModel, validator\n",
     "\n",
+    "PROMPT = \"\"\"\\\n",
+    "Given the function name and source code, generate an English language explanation of the function.\n",
+    "Function Name: {function_name}\n",
+    "Source Code:\n",
+    "{source_code}\n",
+    "Explanation:\n",
+    "\"\"\"\n",
+    "\n",
     "\n",
     "class FunctionExplainerPromptTemplate(StringPromptTemplate, BaseModel):\n",
     "    \"\"\"A custom prompt template that takes in the function name as input, and formats the prompt template to provide the source code of the function.\"\"\"\n",
@@ -83,13 +91,9 @@
     "        source_code = get_source_code(kwargs[\"function_name\"])\n",
     "\n",
     "        # Generate the prompt to be sent to the language model\n",
-    "        prompt = f\"\"\"\n",
-    "        Given the function name and source code, generate an English language explanation of the function.\n",
-    "        Function Name: {kwargs[\"function_name\"].__name__}\n",
-    "        Source Code:\n",
-    "        {source_code}\n",
-    "        Explanation:\n",
-    "        \"\"\"\n",
+    "        prompt = PROMPT.format(\n",
+    "            function_name=kwargs[\"function_name\"].__name__, source_code=source_code\n",
+    "        )\n",
     "        return prompt\n",
     "\n",
     "    def _prompt_type(self):\n",
@@ -108,7 +112,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 3,
    "id": "bd836cda",
    "metadata": {},
    "outputs": [
@@ -116,16 +120,15 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "\n",
-      "        Given the function name and source code, generate an English language explanation of the function.\n",
-      "        Function Name: get_source_code\n",
-      "        Source Code:\n",
-      "        def get_source_code(function_name):\n",
+      "Given the function name and source code, generate an English language explanation of the function.\n",
+      "Function Name: get_source_code\n",
+      "Source Code:\n",
+      "def get_source_code(function_name):\n",
       "    # Get the source code of the function\n",
       "    return inspect.getsource(function_name)\n",
       "\n",
-      "        Explanation:\n",
-      "        \n"
+      "Explanation:\n",
+      "\n"
      ]
     }
    ],
@@ -136,14 +139,6 @@
     "prompt = fn_explainer.format(function_name=get_source_code)\n",
     "print(prompt)"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "7f3161c6",
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {
@@ -162,7 +157,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.3"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,

docs/snippets/modules/model_io/prompts/prompt_templates/get_started.mdx

@@ -4,7 +4,7 @@ Here's the simplest example:
 from langchain import PromptTemplate
 
 
-template = """/
+template = """\
 You are a naming consultant for new companies.
 What is a good name for a company that makes {product}?
 """
@@ -16,8 +16,8 @@ prompt.format(product="colorful socks")
 <CodeOutputBlock lang="python">
 
 ```
-    You are a naming consultant for new companies.
-    What is a good name for a company that makes colorful socks?
+You are a naming consultant for new companies.
+What is a good name for a company that makes colorful socks?
 ```
 
 </CodeOutputBlock>