new_contents: from interpreter import Interpreter
  from robotio import RobotIO
  from codeblock import CodeBlock
  
  class Controller():
      """A block with an associated function and some number of text
      input arguments"""
  
      def __init__(self, studentProgram):
          self.program = studentProgram
          self.robotio = RobotIO()
  
      def executeProgram(self):
          inter = Interpreter(self.robotio)
          for codeBlock in self.program:
              Interpreter.execute(str(codeBlock))
  
      def numberOfParameters(self):
          return len(self.parameters)
  
  
subject: Create controller.py