class_docstr: Printer which converts a SymPy expression into a maple code.
code: def _print_Derivative(self, expr):
      _f, (_var, _order) = expr.args
  
      if _order != 1:
          _second_arg = "{var}${order}".format(
              var=self._print(_var), order=self._print(_order)
          )
      else:
          _second_arg = "{var}".format(var=self._print(_var))
      return "diff({func_expr}, {sec_arg})".format(
          func_expr=self._print(_f), sec_arg=_second_arg
      )
  
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 29 for calling the MapleCodePrinter obj's underlying member method code with example usage: obj._print_Derivative(expr) and returns: str