DOC: Fix docstrings errors SEM and GET_GROUP (#60475)

* DOC: fix sem

* Added sections

* DOC: fix See also

* Remove failed docstrings

* Fix: Matches the right format

* Pre commit format

ci/code_checks.sh

@@ -85,11 +85,8 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.arrays.NumpyExtensionArray SA01" \
         -i "pandas.arrays.TimedeltaArray PR07,SA01" \
         -i "pandas.core.groupby.DataFrameGroupBy.boxplot PR07,RT03,SA01" \
-        -i "pandas.core.groupby.DataFrameGroupBy.get_group RT03,SA01" \
         -i "pandas.core.groupby.DataFrameGroupBy.plot PR02" \
-        -i "pandas.core.groupby.SeriesGroupBy.get_group RT03,SA01" \
         -i "pandas.core.groupby.SeriesGroupBy.plot PR02" \
-        -i "pandas.core.resample.Resampler.get_group RT03,SA01" \
         -i "pandas.core.resample.Resampler.max PR01,RT03,SA01" \
         -i "pandas.core.resample.Resampler.mean SA01" \
         -i "pandas.core.resample.Resampler.min PR01,RT03,SA01" \

pandas/core/groupby/groupby.py

@@ -715,7 +715,19 @@ def get_group(self, name) -> DataFrame | Series:
 
         Returns
         -------
-        DataFrame or Series
+        Series or DataFrame
+            Get the respective Series or DataFrame corresponding to the group provided.
+
+        See Also
+        --------
+        DataFrameGroupBy.groups: Dictionary representation of the groupings formed
+            during a groupby operation.
+        DataFrameGroupBy.indices: Provides a mapping of group rows to positions
+            of the elements.
+        SeriesGroupBy.groups: Dictionary representation of the groupings formed
+            during a groupby operation.
+        SeriesGroupBy.indices: Provides a mapping of group rows to positions
+            of the elements.
 
         Examples
         --------