class_docstr: Printer which converts a SymPy expression into a maple code.
code: def _declare_number_const(self, name, value):
      return "{} := {};".format(
          name, value.evalf(self._settings["precision"])
      )
  
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 4 for calling the MapleCodePrinter obj's underlying member method code with example usage: obj._declare_number_const(name, value) and returns: str