code: def test_itertuples_duplicate_cols(self):
      df = DataFrame(data={"a": [1, 2, 3], "b": [4, 5, 6]})
      dfaa = df[["a", "a"]]
  
      assert list(dfaa.itertuples()) == [
          (0, 1, 1),
          (1, 2, 2),
          (2, 3, 3),
      ]
  
      # repr with int on 32-bit/windows
      if not (is_platform_windows() or not IS64):
          assert (
              repr(list(df.itertuples(name=None)))
              == "[(0, 1, 4), (1, 2, 5), (2, 3, 6)]"
          )
  
imports: import datetime
  import numpy
  import pytest
  from pandas.compat import IS64, is_platform_windows
  from pandas import Categorical, DataFrame, Series, date_range
  import pandas._testing
label_desc: Use image node_id 11 for calling the TestIteration obj's underlying member method code with example usage: obj.test_itertuples_duplicate_cols() without return types