code: def execute(cls, ctx, op):
      inp = ctx[op.inputs[0].key]
      ctx[op.outputs[0].key] = inp.transpose()
  
file_path: mars/mars/dataframe/base/transpose.py
imports: import numpy
  from ...None import opcodes
  from ...core import OutputType
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import parse_index
label_desc: Use image node_id 4 for calling the DataFrameTranspose obj's underlying member method code with example usage: obj.execute(cls, ctx, op) without return types