code: def set_index(
      df,
      keys,
      drop=True,
      append=False,
      inplace=False,
      verify_integrity=False,
  ):
      op = DataFrameSetIndex(
          keys=keys,
          drop=drop,
          append=append,
          verify_integrity=verify_integrity,
          output_types=[OutputType.dataframe],
      )
      result = op(df)
      if not inplace:
          return result
      else:
          df.data = result.data
  
imports: import numpy
  import pandas
  from ...None import opcodes
  from ...core import OutputType
  from ...serialization.serializables import AnyField, BoolField
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import build_empty_df, parse_index
label_desc: Use image node_id 1 for calling a global function with example usage: set_index(df, keys, drop, append, inplace, verify_integrity) and returns: result