code: def transpose(expr):
      """Matrix transpose"""
      return Transpose(expr).doit(deep=False)
  
file_path: sympy/sympy/matrices/expressions/transpose.py
imports: from sympy.core.basic import Basic
  from sympy.matrices.expressions.matexpr import MatrixExpr
  from sympy.assumptions.ask import ask, Q
  from sympy.assumptions.refine import handlers_dict
label_desc: Use image node_id 1 for calling a global function with example usage: transpose(expr) and returns: Transpose