Update 4-python.ipynb

Author: tclose

docs/source/tutorial/4-python.ipynb

@@ -167,7 +167,7 @@
     "\n",
     "\n",
     "@python.define(outputs=[\"c\", \"d\"])\n",
-    "def DocStrExample(a: int, b: float) -> tuple[float, float]:\n",
+    "def APythonTask(a: int, b: float) -> tuple[float, float]:\n",
     "    \"\"\"Example python task with help strings pulled from doc-string\n",
     "\n",
     "    Args:\n",