question.py

class Question:

    @classmethod
    def get_bool_YN_response(cls, question):
        response = cls.get_response_from_list(question, ["Yes", "No"])
        return response == "Yes"

    @classmethod
    def get_response_from_list(cls,
                               question,
                               valid_responses,
                               allow_first_char_only=True
                               ):
        question = question.strip() + " >> "
        parsed_list = [*valid_responses]

        if allow_first_char_only:
            parsed_list = [e.upper()[0] for e in valid_responses]

        response = ""
        while True:
            response = input(question)
            if allow_first_char_only:
                response = response.upper().strip()[0]

            if response in parsed_list:
                break
            else:
                print("Invalid selection")

        return valid_responses[parsed_list.index(response)]

    @classmethod
    def get_numeric_response(cls, question, min=None, max=None, num_type=int):
        num = 0
        question = question.strip() + " >> "

        def is_valid(response):
            nonlocal num
            try:
                num = num_type(response)

            except ValueError:
                return False
            finally:
                if min != None and num < min:
                    return False
                elif max != None and num > max:
                    return False
                else:
                    return True

        def print_error_message():
            error_str = "Must be a number"
            if min != None and max != None:
                error_str += f" between {min} and {max}"
            elif min != None:
                error_str += f" greater than {min}"
            else:
                error_str += f" less than {max}"
            error_str += "."
            print(error_str)

        while True:
            if is_valid(input(question)):
                break
            else:
                print_error_message()

        return num