fix header order for myst

Author: ianhi

fundamentals/01_datatree_hierarchical_data.ipynb

@@ -27,7 +27,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Opening a dataset with `open_datatree()`\n",
+    "## Opening a dataset with `open_datatree()`\n",
     "\n",
     "Let's open up a precipitation dataset. This dataset was derived from \"GPM_3IMERGHH_07\" and \"M2T1NXFLX_5.12.4\" products."
    ]
@@ -45,7 +45,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Nodes\n",
+    "## Nodes\n",
     "Groups in a netcdf4 or hdf5 file in the DataTree model are represented as \"nodes\" in the DataTree model.\n",
     "We can list all of the groups with `.groups`"
    ]
@@ -63,7 +63,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Accessing variables in a nested groups\n",
+    "## Accessing variables in a nested groups\n",
     "Nested variables and groups can be accessed with either dict-like syntax or method based syntax."
    ]
   },
@@ -102,7 +102,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Get the parent and child nodes from a group"
+    "## Get the parent and child nodes from a group"
    ]
   },
   {
@@ -169,6 +169,11 @@
   }
  ],
  "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
   "language_info": {
    "codemirror_mode": {
     "name": "ipython",
@@ -178,9 +183,10 @@
    "mimetype": "text/x-python",
    "name": "python",
    "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3"
+   "pygments_lexer": "ipython3",
+   "version": "3.12.9"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 2
+ "nbformat_minor": 4
 }