code: def test_setitem_preserves_views():
      # GH#28150, see also extension test of the same name
      arr = NumpyExtensionArray(np.array([1, 2, 3]))
      view1 = arr.view()
      view2 = arr[:]
      view3 = np.asarray(arr)
  
      arr[0] = 9
      assert view1[0] == 9
      assert view2[0] == 9
      assert view3[0] == 9
  
      arr[-1] = 2.5
      view1[-1] = 5
      assert arr[-1] == 5
  
imports: import numpy
  import pytest
  from pandas.core.dtypes.dtypes import NumpyEADtype
  import pandas
  import pandas._testing
  from pandas.arrays import NumpyExtensionArray
label_desc: Use image node_id 25 for calling a global function with example usage: test_setitem_preserves_views() without return types