Arithmetic Quiz

quiz.py

# Arithmetic Quiz
# Author: Julie Coxe
# 24 April 2019

# Quiz a student in single-step addition, subtraction, multiplication, and division problems.
# Division answers should be the quotient only, no matter the remainder.

import random


# question construction functions
def newquestion():
    first = random.randint(0, 10)
    second = random.randint(0, 10)
    operation = random.randint(1, 5)

    question = ""
    answer = 0

    # addition question
    if operation == 1:
        question, answer = addition(first, second)

    # subtraction question
    elif operation == 2:
        question, answer = subtraction(first, second)

    # multiplication question
    elif operation == 3:
        question, answer = multiplication(first, second)

    # division question.  Use integer division.  Larger number must be "on top."
    elif operation == 4:
        question, answer = division(first, second)

    return question, answer


# calculation functions below for add, sub, mult, and int div
def addition(first, second):
    answer = first + second
    question = str(first) + " + " + str(second) + " = "
    return question, answer


def subtraction(first, second):
    answer = first - second
    question = str(first) + " - " + str(second) + " = "
    return question, answer


def multiplication(first, second):
    answer = first * second
    question = str(second) + " * " + str(first) + " = "
    return question, answer


def division(first, second):
    if first == 0:
        answer = first // second
        question = str(first) + " / " + str(second) + " = "
    elif second ==0:
        answer = second // first
        question = str(second) + " / " + str(first) + " = "
    elif first >= second:
        answer = first // second
        question = str(first) + " / " + str(second) + " = "
    else:
        answer = second // first
        question = str(second) + " / " + str(first) + " = "
    return question, answer


# main program for executing quiz:

userAnswer = 0
isItQ = 0

print("Welcome to your arithmetic quiz! Here we go!")

while isItQ != 1:

    # call question generator
    question, answer = newquestion()
    gameTime = 0

    while gameTime != 1:

        # check to make sure userAnswer is an integer
        try:

            # change type of userAnswer
            userAnswer = input(question)
            userAnswer = int(userAnswer)

            # check if the answer is correct.
            if int(userAnswer) == int(answer):
                print("Correct!")
                gameTime = 1

            # if the answer is not right, ask it again until it is correct.
            elif int(userAnswer) != int(answer):
                print("Nope, try again.")
                userAnswer = input(question)

        # if letters given, quit the quiz if "q" is given.
        except ValueError:
            print(userAnswer)

            # quit
            if str(userAnswer) == "q":
                isItQ = 1
                gameTime = 1

            # reenter the loop asking for a new answer.  Same problem given.
            else:
                print("Not a number. Please answer the question with an integer. ")
                userAnswer = input(question)

# exit quiz with a "q."
print("Great job! Come back soon! ")

I figured out why the question is sometimes set to empty string. Hint: Add print("operation is {}".format(operation)) on line 16.

This SO will probably piss you off ;) but also probably help https://stackoverflow.com/questions/2568783/python-why-does-random-randinta-b-return-a-range-inclusive-of-b