code: def test_lowercase_T():
      actual = timex.parse_rfc3339("2022-12-27t16:48:06Z")
  
      tzinfo = datetime.timezone.utc
      expected = datetime.datetime(2022, 12, 27, 16, 48, 6, 0, tzinfo)
      assert actual == expected
  
      actual = timex.parse_rfc3339("2022-12-27t16:48:06.404Z")
  
      tzinfo = datetime.timezone.utc
      expected = datetime.datetime(
          2022, 12, 27, 16, 48, 6, 404000, tzinfo
      )
      assert actual == expected
  
      actual = timex.parse_rfc3339("2022-12-27t16:48:06.404-04:35")
  
      tzinfo = datetime.timezone(
          datetime.timedelta(hours=-4, minutes=-35)
      )
      expected = datetime.datetime(
          2022, 12, 27, 16, 48, 6, 404000, tzinfo
      )
      assert actual == expected
  
file_path: hail/hail/python/test/hailtop/test_timex.py
imports: from hailtop import timex
  import datetime
label_desc: Use image node_id 7 for calling a global function with example usage: test_lowercase_T() without return types