continuous_math_practice.py

import random

## Define list of operators required
operators = ['+','-','*','/']

## generate random numbers based on random complexity counter
def get_random_numbers(random_complexity):
    num1 = random.randint(1, random_complexity)
    num2 = random.randint(1, random_complexity)

    return num1, num2

## evaluate the result
def check_result(eval_expression):
    result = eval(eval_expression)
    return result

## Ask question to user and take input
def ask_question(random_numbers, random_op):

    eval_string = f"{max(random_numbers)} {random_op} {min(random_numbers)}"
    user_answer = input(f"type your answer or type some text to quit - you have 3 attempts -  What is the result of {eval_string} ? ")
    return user_answer, check_result(eval_string)


#Set the attempts and complexity counter
attempts = 3

## Read previous success attempts, points and complexity
counter_file_name = 'mycounter.csv'
fp = open(counter_file_name,'r')
file_content = list(fp.readline().split(','))
success_attempts = int(file_content[0])
points = int(file_content[1])
start_complexity = int(file_content[2])
fp.close()

## Start to evaluate the user result and increase / decrease the points accordingly
while True:
    ## Choose a random operator from list of operators
    random_op = random.choice(operators)

    ## Kids can't do non integer divison, so, making sure we ask only integer division
    if random_op == '/':
        while True:
            random_num = get_random_numbers(start_complexity)
            check_res = check_result(f"{max(random_num)} {random_op} {min(random_num)}")
            if int(check_res) == check_res:
                break
    else:
        random_num = get_random_numbers(start_complexity)

    ## Give 3 attempts to answer
    for val in range(1,attempts+1):
        answer = ask_question(random_num, random_op)
        print(answer)
        if answer[0].isnumeric() == False:
            print(f"you choose to exit the program, your total points so far {points}")
            exit()
        else:
            if int(answer[1]) == int(answer[0]):
                points += 2
                print(f"your answer: {answer[0]} is correct, you earned 2 points, total points {points}")
                success_attempts += 1
                break
            else:
                points -= 1
                print(f"your answer: {answer[0]} is not correct, you lost 1 point, Total points {points} - attempt {val}")
                success_attempts = 1
            start_complexity = max(10, start_complexity - 10)

    #Decrease the complexity when all 3 attempts are used to answer a question
    if success_attempts % 10 == 0 :
        start_complexity += 10

    fp = open(counter_file_name, 'w')
    fp.write(f"{success_attempts},{points},{start_complexity}")
    fp.close()

mycounter.csv