Displaying text as code block

XREF:
#33230 (comment)

Author: MomIsBestFriend

pandas/core/groupby/groupby.py

@@ -2005,6 +2005,8 @@ def cumcount(self, ascending: bool = True):
 
         Essentially this is equivalent to
 
+        .. code-block:: python
+
             self.apply(lambda x: pd.Series(np.arange(len(x)), x.index))
 
         Parameters