code: def ddm_transpose(matrix: Sequence[Sequence[T]]) -> list[list[T]]:
      """matrix transpose"""
      return list(map(list, zip(*matrix)))
  
file_path: sympy/sympy/polys/matrices/dense.py
imports: from __future__ import annotations
  from operator import mul
  from .exceptions import DMShapeError, DMDomainError, DMNonInvertibleMatrixError, DMNonSquareMatrixError
  from typing import Sequence, TypeVar
  from sympy.polys.matrices._typing import RingElement
label_desc: Use image node_id 1 for calling a global function with example usage: ddm_transpose(matrix) and returns: list