DOC: fix SA01 for pandas.MultiIndex.levels (#58835)

Author: tuhinsharma121

ci/code_checks.sh

@@ -82,7 +82,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.MultiIndex.get_level_values SA01" \
         -i "pandas.MultiIndex.get_loc PR07" \
         -i "pandas.MultiIndex.get_loc_level PR07" \
-        -i "pandas.MultiIndex.levels SA01" \
         -i "pandas.MultiIndex.levshape SA01" \
         -i "pandas.MultiIndex.names SA01" \
         -i "pandas.MultiIndex.nlevels SA01" \

pandas/core/indexes/multi.py

@@ -835,6 +835,12 @@ def levels(self) -> FrozenList:
         it filters out all rows of the level C, MultiIndex.levels will still
         return A, B, C.
 
+        See Also
+        --------
+        MultiIndex.codes : The codes of the levels in the MultiIndex.
+        MultiIndex.get_level_values : Return vector of label values for requested
+            level.
+
         Examples
         --------
         >>> index = pd.MultiIndex.from_product(