class SelfExamCodeCoT:
    """
    This class applies the concept of Iterative Self-Examination with Self-exam CodeCoT (Code-Conceive-Test).
    It continuously improves the quality of the development process by adopting a loop pattern of creating,
    evaluating, and refining code.
    """
    def __init__(self):
        """
        Initializes a new SelfExamCodeCoT instance.
        """
        self.refinement_iterations = 0

    def generate_code(self, prompt: str) -> str:
        """
        Generates code based on the given prompt.

        Args:
            prompt (str): The input prompt for generating code.

        Returns:
            str: The generated code.
        """
        # Use a code generation model to write the initial code (not shown here)
        # Assume `generated_code` is the code created by the model
        generated_code = ""
        return generated_code

    def evaluate_code(self, code: str) -> bool:
        """
        Evaluates the generated code.

        Args:
            code (str): The code to evaluate.

        Returns:
            bool: Return True if the code is correct, else False.
        """
        # Use a code evaluation model to check the code (not shown here)
        # Assume `code_is_correct` is a boolean indicating if the code is correct
        code_is_correct = False
        return code_is_correct

    def refine_code(self, code: str) -> str:
        """
        Refines the generated code.

        Args:
            code (str): The code to refine.

        Returns:
            str: The refined code.
        """
        # Use a code refinement model to improve the code (not shown here)
        # Assume `refined_code` is the code refined by the model
        refined_code = ""
        return refined_code

    def iterative_self_exam(self, prompt: str) -> str:
        """
        Applies Iterative Self-Examination by continuously generating, evaluating and refining code.

        Args:
            prompt (str): The input prompt for generating code.

        Returns:
            str: The final code which is the outcome of the iterative self-exam process.

        Raises:
            Exception: If maximum refinement iterations are reached without generating correct code.
        """
        MAX_REFINEMENT_ITERATIONS = 10

        code = self.generate_code(prompt)
        while not self.evaluate_code(code):
            if self.refinement_iterations >= MAX_REFINEMENT_ITERATIONS:
                raise Exception("Maximum refinement iterations reached")
            code = self.refine_code(code)
            self.refinement_iterations += 1
        return code


# Instantiate the SelfExamCodeCoT class
code_cot = SelfExamCodeCoT()

# Apply Iterative Self-Examination with a given prompt
final_code = code_cot.iterative_self_exam("Write a Python function to calculate factorial of a number")
print(final_code)
