From aa52871e77c138a55fdf81c8f45e20ba195b650d Mon Sep 17 00:00:00 2001
From: MarcoGorelli <33491632+MarcoGorelli@users.noreply.github.com>
Date: Mon, 4 Sep 2023 16:07:20 +0200
Subject: [PATCH 1/2] get_column_names -> column_names property

---
 spec/API_specification/dataframe_api/dataframe_object.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spec/API_specification/dataframe_api/dataframe_object.py b/spec/API_specification/dataframe_api/dataframe_object.py
index 7dac2966..878afa9b 100644
--- a/spec/API_specification/dataframe_api/dataframe_object.py
+++ b/spec/API_specification/dataframe_api/dataframe_object.py
@@ -268,7 +268,8 @@ def rename_columns(self, mapping: Mapping[str, str]) -> DataFrame:
         """
         ...
 
-    def get_column_names(self) -> list[str]:
+    @property
+    def column_names(self) -> list[str]:
         """
         Get column names.
 

From 52cb82a4a9a05327fed372340c4f10d9e09e7c8c Mon Sep 17 00:00:00 2001
From: MarcoGorelli <33491632+MarcoGorelli@users.noreply.github.com>
Date: Wed, 6 Sep 2023 14:57:21 +0200
Subject: [PATCH 2/2] get_column_names -> column_names

---
 spec/API_specification/dataframe_api/dataframe_object.py | 2 +-
 spec/purpose_and_scope.md                                | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/spec/API_specification/dataframe_api/dataframe_object.py b/spec/API_specification/dataframe_api/dataframe_object.py
index 878afa9b..07f7cada 100644
--- a/spec/API_specification/dataframe_api/dataframe_object.py
+++ b/spec/API_specification/dataframe_api/dataframe_object.py
@@ -199,7 +199,7 @@ def insert_column(self, column: Column[Any]) -> DataFrame:
         .. code-block:: python
 
             new_column = df.get_column_by_name('a') + 1
-            new_columns_names = ['a_plus_1'] + df.get_column_names()
+            new_columns_names = ['a_plus_1'] + df.column_names
             df = df.insert_column(new_column.rename('a_plus_1'))
             df = df.get_columns_by_name(new_column_names)
 
diff --git a/spec/purpose_and_scope.md b/spec/purpose_and_scope.md
index 199d1a74..d6fbc808 100644
--- a/spec/purpose_and_scope.md
+++ b/spec/purpose_and_scope.md
@@ -284,17 +284,17 @@ df_pandas = pl.read_parquet('iris.parquet')
 df_polars = pl.scan_parquet('iris.parquet')
 
 def my_dataframe_agnostic_function(df):
-    df = df.__dataframe_consortium_standard__(api_version='2023.08-beta')
+    df = df.__dataframe_consortium_standard__()
 
     mask = df.get_column_by_name('species') != 'setosa'
     df = df.get_rows_by_mask(mask)
 
-    for column_name in df.get_column_names():
+    for column_name in df.column_names
         if column_name == 'species':
             continue
         new_column = df.get_column_by_name(column_name)
         new_column = (new_column - new_column.mean()) / new_column.std()
-        df = df.insert(loc=len(df.get_column_names()), label=f'{column_name}_scaled', value=new_column)
+        df = df.insert_column(new_column.rename(f'{column_name}_scaled'))
 
     return df.dataframe