a sample flash card application in Ruby

flash_cards.rb

questions = {
  'one' => {text: "What is 2 + 2?", answer: 4},
  'two' => {text: "What is 4 + 7?", answer: 11},
  'three' => {text: "What is 7 + 3?", answer: 10},
}

user_answers = {
  'one' => 4,
  'two' => 9,
  'three' => 10
}

def addition_problem(user_answer, correct_answer)
  if user_answer == correct_answer
    true
  else
    false
  end
end

total_correct = 0

user_answers.each do |question_number, user_answer|
  correct_answer = questions[question_number][:answer]
    
  if addition_problem(user_answer, correct_answer) # => will return true or false
    total_correct +=1 
  end
end

puts "You scored #{total_correct} out of #{user_answers.count} correct!"

# => You scored 2 out of 3 correct!