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import random
from transitions import Machine
class MathQuizFSM(object):
states = [
'quiz_start',
'quiz_question',
'quiz_end'
]
transitions = [
['ask_second_question', 'quiz_start', 'quiz_question'],
['ask_next_question', 'quiz_question', 'quiz_question'],
['exit', 'quiz_start', 'quiz_end'],
['exit', 'quiz_question', 'quiz_end'],
]
def __init__(self):
# Instantiate the FSM
self.machine = Machine(
model=self,
states=MathQuizFSM.states,
transitions=MathQuizFSM.transitions,
initial='quiz_start'
)
# Instantiate variables necessary for tracking activity
self.question_nums = [2, 3]
self.correct_answer = 5
self.student_answer = 0
self.is_correct_answer = False
self.response_text = "What is 2 + 3?"
# Define functions to run on transitions
self.machine.on_enter_quiz_question('generate_math_problem')
self.machine.on_exit_quiz_question('validate_answer')
def validate_answer(self):
if self.student_answer == 'exit':
self.machine.set_state('quiz_end')
return ["Come back any time!"]
elif self.correct_answer == self.student_answer:
self.machine.set_state('quiz_question')
self.generate_math_problem()
return ['Great job!', self.response_text]
else:
return ["That's not quite right. Try again.", self.response_text]
def generate_math_problem(self):
self.question_nums = random.sample(range(1,100),2)
self.response_text = f"What is {self.question_nums[0]} + {self.question_nums[1]}"
self.correct_answer = self.question_nums[0] + self.question_nums[1] |