import random

# function go here

def welcome():
    """Welcome the user and ask for a name"""

    while True:

        print("hello and welcome to the math quiz")

        user_name = input("What is your name? ")

        print(f"Hi {user_name} lets start the quiz!")

        break


def yes_no(question):
    """checks user response to a question is yes / no"""

    while True:

        response = input(question).lower()

        # check the user says yes / no
        if response == "yes" or response == "Yes":
            return "yes"
        elif response == "no" or response == "No":
            return "no"
        else:
            print("please enter yes or no")


def instructions():
    """Prints instructions"""

    print("""
*** Instructions ****

Answer the following questions and get your final score at the end
    """)

def int_check(question, low_number, high_number):

    """Checks users enter an integer more than / equal to 13"""

    error = f"Please enter a number between {low_number} and {high_number}."

    while True:
        try:
           response = int(input(question))

           if response < low_number or response > high_number:
             print(error)
           else:
              return response

        except ValueError:
            print(error)

    # Main routine

    # ask the user if they want instructions (check they say yes / no)
quiz_history=[]
welcome()
want_instructions = yes_no("Do you want the see the instructions? ")


# Display the instructions if the user wants to see them...
if want_instructions == "yes":
    instructions()

print()

rounds = int_check("How many rounds do you want between 1 - 10 ", 1, 10)
print(f"There are {rounds} rounds.... lets begin")

for i in range(rounds):

    num_1 = random.randrange(1,10)
    num_2 = random.randrange(1,10)
    answer = num_1 * num_2

    user_answer =int(input(f"What is {num_1} x {num_2}? "))

    if user_answer == answer:
        print("correct!")
        quiz_history.append("correct")
    else:
        print(f"incorrect, the answer was {answer} try again")
        quiz_history.append("incorrect")

print()
print("Results")
print(*quiz_history, sep="\n")