Pauls suggestion to refactor test

Author: StanFromIreland

Lib/test/datetimetester.py

@@ -2537,10 +2537,14 @@ def test_strptime(self):
         with self.assertRaises(ValueError): strptime("-000", "%z")
 
     def test_strptime_ampm(self):
+        dt = datetime(1999, 3, 17, 0, 44, 55, 2, 76, 0)
         for hour in range(0, 24):
             with self.subTest(hour=hour):
-                hour_date = (1999, 3, 17, hour, 44, 55, 2, 76, 0)
-                self.assertEqual(self.theclass.strptime(_time.strftime("%I %p", hour_date), "%I %p").hour, hour)
+                new_dt = dt.replace(hour=hour)
+                dt_str = new_dt.strftime("%I %p")
+
+                self.assertEqual(self.theclass.strptime(dt_str, "%I %p").hour,
+                                 hour)
 
     def test_strptime_single_digit(self):
         # bpo-34903: Check that single digit dates and times are allowed.