DOC:updated pie plot legend overlap issue, closes #34288 (#34296)

* DOC:updated pie plot legend overlap issue

* DOC: pie plot white space removal

Author: wicky1234444

pandas/plotting/_core.py

@@ -1475,7 +1475,7 @@ def pie(self, **kwargs):
         .. plot::
             :context: close-figs
 
-            >>> plot = df.plot.pie(subplots=True, figsize=(6, 3))
+            >>> plot = df.plot.pie(subplots=True, figsize=(11, 6))
         """
         if (
             isinstance(self._parent, ABCDataFrame)