class_docstr: Printer which converts a SymPy expression into a maple code.
code: def _get_matrix(self, expr, sparse=False):
      if S.Zero in expr.shape:
          _strM = "Matrix([], storage = {storage})".format(
              storage="sparse" if sparse else "rectangular"
          )
      else:
          _strM = "Matrix({list}, storage = {storage})".format(
              list=self._print(expr.tolist()),
              storage="sparse" if sparse else "rectangular",
          )
      return _strM
  
imports: from sympy.core import S
  from sympy.core.numbers import Integer, IntegerConstant, equal_valued
  from sympy.printing.codeprinter import CodePrinter
  from sympy.printing.precedence import precedence, PRECEDENCE
  import sympy
label_desc: Use image node_id 21 for calling the MapleCodePrinter obj's underlying member method code with example usage: obj._get_matrix(expr, sparse) and returns: _strM