Data commit

Task/CSV-data-manipulation/Python/csv-data-manipulation-2.py

@@ -0,0 +1,22 @@
+import csv
+from pathlib import Path
+from tempfile import NamedTemporaryFile
+
+filepath = Path('data.csv')
+temp_file = NamedTemporaryFile('w',
+                               newline='',
+                               delete=False)
+
+with filepath.open() as csv_file, temp_file:
+    reader = csv.reader(csv_file)
+    writer = csv.writer(temp_file)
+
+    header = next(reader)
+    writer.writerow(header + ['SUM'])
+
+    for row in reader:
+        row_sum = sum(map(int, row))
+        writer.writerow(row + [row_sum])
+
+temp_file_path = Path(temp_file.name)
+temp_file_path.replace(filepath)