#a. Title: Multiplication Math Quiz
#b. Author: Davi Barbosa
#c. Date: 15/05/2026
#d. Version: 1
#e. Purpose: To test the users multiplication skills

##Start screen, Ask question, Get answer, Check answer, update score, increase difficulty, Repeat, Show final percentage, End or restart

import random

def play_game():

    score = 0

    question_count = 0

    difficulty = 1

##Welcome user and get username

    print('Hello and welcome to the Multiplication Math Quiz.')
    print('You will answer question on this topic that will get harder as you go')
    print('Answer your Math questions with numbers!')
   
    username = input('What name would you like to be called by? ')
   
    print(f'Good luck, {username}!')

    while question_count < 10:

##Set difficulty for certain scores

        if score <= 4:
            difficulty = 1

        elif score <= 7:
            difficulty = 2

        else:
            difficulty = 3
           
##Generates the each number in the question for each difficulty level

        if difficulty == 1:
            num1 = random.randint(1,10)
            num2 = random.randint(1,10)

        elif difficulty == 2:
            num1 = random.randint(5,10)
            num2 = random.randint(11,15)

        else:
            num1 = random.randint(11,20)
            num2 = random.randint(10,15)

##Ask the math question

        user_answer = int(input(f'What is {num1} x {num2}? '))

##Check answer

        correct_answer = num1 * num2

        if correct_answer == user_answer:
            print('Correct!')
            score += 1

        else:
            print('Incorrect!')


        question_count += 1

        print(f'Score = {score} / {question_count}')

##Final percentage
       
    percentage = (score / 10) * 100

    print(f'Final percentage = {percentage}%!')


##Restart loop

while True:
       
    play_game()
       
    restart = input('Nice work, would you like to play again? (yes/no) ').lower()

    if restart == "yes":    
        continue

    elif restart == "no":
        print('Thanks for playing')
        break

    else:
        print('Invalid input')
        break