DOC Fix EX01 issues in docstrings (pandas-dev#51561)

DOC Fix EX01 errors

Author: DeaMariaLeon

ci/code_checks.sh

@@ -92,13 +92,11 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         pandas.Series.keys \
         pandas.Series.item \
         pandas.Series.pipe \
-        pandas.Series.kurt \
         pandas.Series.mean \
         pandas.Series.median \
         pandas.Series.mode \
         pandas.Series.sem \
         pandas.Series.skew \
-        pandas.Series.kurtosis \
         pandas.Series.is_unique \
         pandas.Series.is_monotonic_increasing \
         pandas.Series.is_monotonic_decreasing \
@@ -545,8 +543,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         pandas.DataFrame.keys \
         pandas.DataFrame.iterrows \
         pandas.DataFrame.pipe \
-        pandas.DataFrame.kurt \
-        pandas.DataFrame.kurtosis \
         pandas.DataFrame.mean \
         pandas.DataFrame.median \
         pandas.DataFrame.sem \

pandas/core/generic.py

@@ -11561,7 +11561,48 @@ def skew(
             axis_descr=axis_descr,
             min_count="",
             see_also="",
-            examples="",
+            examples="""
+
+            Examples
+            --------
+            >>> s = pd.Series([1, 2, 2, 3], index=['cat', 'dog', 'dog', 'mouse'])
+            >>> s
+            cat    1
+            dog    2
+            dog    2
+            mouse  3
+            dtype: int64
+            >>> s.kurt()
+            1.5
+
+            With a DataFrame
+
+            >>> df = pd.DataFrame({'a': [1, 2, 2, 3], 'b': [3, 4, 4, 4]},
+            ...                   index=['cat', 'dog', 'dog', 'mouse'])
+            >>> df
+                   a   b
+              cat  1   3
+              dog  2   4
+              dog  2   4
+            mouse  3   4
+            >>> df.kurt()
+            a   1.5
+            b   4.0
+            dtype: float64
+
+            With axis=None
+
+            >>> df.kurt(axis=None).round(6)
+            -0.988693
+
+            Using axis=1
+
+            >>> df = pd.DataFrame({'a': [1, 2], 'b': [3, 4], 'c': [3, 4], 'd': [1, 2]},
+            ...                   index=['cat', 'dog'])
+            >>> df.kurt(axis=1)
+            cat   -6.0
+            dog   -6.0
+            dtype: float64""",
         )
         def kurt(
             self,