code: def setup(self):
      size = 65536
      arrays = [
          np.random.randint(0, 8192, size),
          np.random.randint(0, 1024, size),
      ]
      mask = np.random.rand(size) < 0.1
      self.mi_unused_levels = MultiIndex.from_arrays(arrays)
      self.mi_unused_levels = self.mi_unused_levels[mask]
  
imports: import string
  import numpy
  from pandas import NA, DataFrame, Index, MultiIndex, RangeIndex, Series, array, date_range
  from .pandas_vb_common import setup
label_desc: Use image node_id 1 for calling the Duplicates obj's underlying member method code with example usage: obj.setup() without return types