code: def test_shift_with_iterable_basic_functionality(self):
      # GH#44424
      data = {"a": [1, 2, 3], "b": [4, 5, 6]}
      shifts = [0, 1, 2]
  
      df = DataFrame(data)
      shifted = df.shift(shifts)
  
      expected = DataFrame(
          {
              "a_0": [1, 2, 3],
              "b_0": [4, 5, 6],
              "a_1": [np.nan, 1.0, 2.0],
              "b_1": [np.nan, 4.0, 5.0],
              "a_2": [np.nan, np.nan, 1.0],
              "b_2": [np.nan, np.nan, 4.0],
          }
      )
      tm.assert_frame_equal(expected, shifted)
  
imports: import numpy
  import pytest
  import pandas
  from pandas import CategoricalIndex, DataFrame, Index, NaT, Series, date_range, offsets
  import pandas._testing
label_desc: Use image node_id 37 for calling the TestDataFrameShift obj's underlying member method code with example usage: obj.test_shift_with_iterable_basic_functionality() without return types