code: def test_isocalendar(self, input_series, expected_output):
      result = pd.to_datetime(Series(input_series)).dt.isocalendar()
      expected_frame = DataFrame(
          expected_output,
          columns=["year", "week", "day"],
          dtype="UInt32",
      )
      tm.assert_frame_equal(result, expected_frame)
  
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 35 for calling the TestSeriesDatetimeValues obj's underlying member method code with example usage: obj.test_isocalendar(input_series, expected_output) without return types