code: def setup(self, index_structure, dtype, method, sort):
      N = 10**5
      level1 = range(1000)
  
      level2 = date_range(start="1/1/2000", periods=N // 1000)
      dates_left = MultiIndex.from_product([level1, level2])
  
      level2 = range(N // 1000)
      int_left = MultiIndex.from_product([level1, level2])
  
      level2 = Index(
          [f"i-{i}" for i in range(N // 1000)], dtype=object
      ).values
      str_left = MultiIndex.from_product([level1, level2])
  
      level2 = range(N // 1000)
      ea_int_left = MultiIndex.from_product(
          [level1, Series(level2, dtype="Int64")]
      )
  
      data = {
          "datetime": dates_left,
          "int": int_left,
          "string": str_left,
          "ea_int": ea_int_left,
      }
  
      if index_structure == "non_monotonic":
          data = {k: mi[::-1] for k, mi in data.items()}
  
      data = {
          k: {"left": mi, "right": mi[:-1]} for k, mi in data.items()
      }
      self.left = data[dtype]["left"]
      self.right = data[dtype]["right"]
  
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 SetOperations obj's underlying member method code with example usage: obj.setup(index_structure, dtype, method, sort) without return types