class_docstr: Printer which converts a SymPy expression into a maple code.
code: def _print_Rational(self, expr):
      p, q = int(expr.p), int(expr.q)
      return "{p}/{q}".format(p=str(p), q=str(q))
  
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 11 for calling the MapleCodePrinter obj's underlying member method code with example usage: obj._print_Rational(expr) and returns: str