code: def build_code(self):
      index, columns = (self.cfg.get(p) for p in ["index", "columns"])
  
      code = []
      if columns is not None:
          code.append(
              "df = df.set_index('{}')['{}'].T".format(
                  "', '".join(index), "', '".join(columns)
              )
          )
      else:
          code.append(
              "df = df.set_index('{}').T".format("', '".join(index))
          )
      if len(index) > 1:
          code.append(
              "df.columns = [' '.join([str(c) for c in col]).strip() for col in df.columns.values]"
          )
      code.append("df = df.rename_axis(None, axis=1)")
      return "\n".join(code)
  
imports: import pandas
  from scipy import stats
  import dtale.global_state
  import dtale.pandas_util
  from dtale.query import run_query
  from dtale.utils import make_list
label_desc: Use image node_id 3 for calling the TransposeBuilder obj's underlying member method code with example usage: obj.build_code() and returns: str