pitrou commented on code in PR #41904:
URL: https://github.com/apache/arrow/pull/41904#discussion_r1708884662
##########
python/pyarrow/tests/test_csv.py:
##########
@@ -54,18 +53,32 @@ def generate_col_names():
yield first + second
+def split_rows(arr, num_cols, num_rows):
+ # Split a num_cols x num_rows array into rows
+ for i in range(0, num_rows*num_cols, num_cols):
+ yield list(itertools.islice(arr, i, i + num_cols))
+
+
+def split_columns(arr, num_cols, num_rows):
+ # Split a num_cols x num_rows array into columns
+ for i in range(0, num_cols):
+ yield list(itertools.islice(arr, i, num_cols * num_rows, num_cols))
Review Comment:
Same suggestion here:
```suggestion
for i in range(0, num_cols):
yield arr[i::num_cols]
```
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