code: def test_strftime_period_minutes(self):
      ser = Series(period_range("20130101", periods=4, freq="ms"))
      result = ser.dt.strftime("%Y/%m/%d %H:%M:%S.%l")
      expected = Series(
          [
              "2013/01/01 00:00:00.000",
              "2013/01/01 00:00:00.001",
              "2013/01/01 00:00:00.002",
              "2013/01/01 00:00:00.003",
          ]
      )
      tm.assert_series_equal(result, expected)
  
imports: import calendar
  from datetime import date, datetime, time
  import locale
  import unicodedata
  import numpy
  import pytest
  import pytz
  from pandas._libs.tslibs.timezones import maybe_get_tz
  from pandas.errors import SettingWithCopyError
  from pandas.core.dtypes.common import is_integer_dtype, is_list_like
  import pandas
  from pandas import DataFrame, DatetimeIndex, Index, Period, PeriodIndex, Series, TimedeltaIndex, date_range, period_range, timedelta_range
  import pandas._testing
  from pandas.core.arrays import DatetimeArray, PeriodArray, TimedeltaArray
label_desc: Use image node_id 26 for calling the TestSeriesDatetimeValues obj's underlying member method code with example usage: obj.test_strftime_period_minutes() without return types