Lua Quiz!

--CHEESE()
--Certified Weeb#6917 (Discord)
--Share your results! OwO
print("Welcome to the LUA test! There are 10 questions you'll need to answer!")
print("Rules:")
print("1. No looking up answers")
print("2. No re-taking the test.")
print("3. No asking other people for help")
print("Allowed:")
print("1. Studying before the test")
print("Do you understand?")
print("If yes then type: '1' or if no then type: '2'")
understand = io.read()
understood = nil
correct = 0
score = 0
bonus = nil
attempted = nil
rating = nil
ctt = nil
if understand == "1" then
    understood = true
    elseif understand == "2" then
    understood = false
    end
if understood then
    print("Great, Let's begin the test")
    ctt = true
    elseif not understood then
    print("Looks like you didn't understand, You may not start the test until you do.")
    ctt = false
    end
if ctt then
    print("Enter your username...")
    un = io.read()
    print("Welcome, "..un)
    unr = math.random(1,1000)
    print("Your user number is : "..unr)
    print(""..un..", Are you ready?")
    io.read()
    print("Ready or not, Question 1:")
    print("What is wrong with this script?")
    print("print('This is a test)")
    print("1. There is nothing wrong.")
    print("2. There is an unfinished string")
    print("3. There is no period.")
    q1 = io.read()
    if q1 == "2" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q1 ~= "2" then
        print("Incorrect!")
        end
    print("Question 2:")
    print("What is wrong with this script?")
    print("if variable == true then dosomething() end")
    print("1. You don't need an 'end' for if statements.")
    print("2. There is nothing wrong")
    print("3. You don't need '== true'")
    q2 = io.read()
    if q2 == "3" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q2 ~= "3" then
        print("Incorrect!")
        end
    print("Question 3:")
    print("What symbol do you use to multiply values in lua?")
   print("1. '*'")
   print("2. 'x'")
   print("3. You can't multiply values in lua.")
    q3 = io.read()
    if q3 == "1" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q3 ~= "1" then
        print("Incorrect!")
        end
    print("Question 4:")
    print("What symbol do you use to divide values in lua?")
    print("1. '/'")
    print("2. The division symbol")
    print("3. You can't divide values in lua.")
    q4 = io.read()
    if q4 == "1" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q4 ~= "1" then
        print("Incorrect!")
        end
    print("Question 5:")
    print("What will this output?")
    print("local lua = {} for i=1,100 do table.insert(lua,math.random(1,100)) end print(table.concat(lua),'')")
    print("1. It will print noting.")
    print("2. A random string of numbers")
    print("3. It will error.")
    q5 = io.read()
    if q5 == "2" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q5 ~= "2" then
        print("Incorrect!")
        end
    print("Question 6:")
    print("What does print(math.random(1, 100)) do?")
    print("1. Nothing.")
    print("2. Error")
    print("3. Prints a random number between 1 and 100")
    q6 = io.read()
    if q6 == "3" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q6 ~= "3" then
        print("Incorrect")
        end
    print("Question 7:")
    print("What does this script do?")
    print("if a > b then print('test') end")
    print("1. Error.")
    print("2. Will print 'test' if a is bigger than b")
    print("3. Print's 'test'")
    q7 = io.read()
    if q7 == "2" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q7 ~= "2" then
        print("Incorrect!")
        end
    print("Question 8")
    print("How do you end a 'while true do' loop?")
    print("1. break")
    print("2. end")
    print("3. stop.")
    q8 = io.read()
    if q8 == "1" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q8 ~= "1" then
        print("Incorrect!")
        end
    print("Question 9:")
    print("What does this do?")
    print("a = true if a then print('test') end")
    print("1. Do nothing.")
    print("2. prints 'test'")
    print("3. Will print 'test' if a is true")
    q9 = io.read()
    if q9 == "3" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q9 ~= "3" then
        print("Incorrect!")
        end
    print("Question 10 (EASY!)")
    print("What language is this script coded in?")
    print("1. Lua")
    print("2. Java")
    print("3. Python")
    q10 = io.read()
    if q10 == "1" then
        print("Correct!")
        correct = correct + 1
        score = score + 10
        elseif q10 ~= "1" then
        print("Incorrect!")
        end
    print("End of the test!")
    if score == 0 then
        rating = "Did you even try?"
        elseif score == 10 then
        rating = "Rank : -F"
        elseif score == 20 then
        rating = "Rank : F"
        elseif score == 30 then
        rating = "Rank : F+"
        elseif score == 40 then
        rating = "Rank : F++"
        elseif score == 50 then
        rating = "Rank : -D"
        elseif score == 60 then
        rating = "Rank : D"
        elseif score == 70 then
        rating = "Rank : C"
        elseif score == 80 then
        rating = "Rank : B"
        elseif score == 90 then
        rating = "Rank : A"
        elseif score == 100 then
        rating = "Rank : P+"
        end
    print("Would you like to attempt the bonus question?")
    print("1 for yes and 2 for no.")
    bq = io.read()
    if bq == "1" then
        attempted = "Yes"
        print("What is a table in lua?")
        print("1. An information holder.")
        print("2. A associative array to hold numbers and strings with no limit")
        print("3. A table with four legs.")
        q11 = io.read()
        if q11 == "2" then
            print("Correct!")
            bonus = "Yes"
            elseif q11 ~= "2" then
            print("Incorrect")
            bonus = "No"
            end
        elseif bq == "2" then
        attempted = "No"
        print("Understandable")
        end
    print("Here is your profile to keep and/or share!!")
    print("-----[GENERATED PROFILE]-----")
    print("Certified Weeb's lua test!")
    print("Username : "..un)
    print("User # : "..unr)
    print("Test score : "..score.."%")
    print("Answers : "..correct.." out of 10")
    print("Rating : "..rating)
    print("Attempted Bonus? : "..attempted)
    print("Got bonus? : "..bonus)
    print("-----[GENERATED PROFILE]-----")
    end