random sum user test

randadd.py

#!/usr/bin/env python3

import random


def main():
    mn, mx = (10, 99)
    correctness = 3
    correct = 0
    while True:
        num1 = random.randint(mn, mx)
        num2 = random.randint(mn, mx)
        total = num1 + num2
        answer = int(input("What is " + str(num1) + " + " + str(num2) + "? "))
        if answer == total:
            correct += 1
            print(f"Correct!You've gotten {correct} correct in a row.")
        else:
            # reset the counter
            correct = 0
            print("Incorrect. The expected answer is " + str(total))
        if correct == correctness:
            break


if __name__ == "__main__":
    main()