Python Quiz app for iPhone and iPad

Application features:
- questions from python 3.x
- you can view the correct answer after you pick your answer
- you can submit your own questions via the contact section
- ads are removed -> no more ads
- explain mode -> learn why your answer is wrong
- fully offline -> no need for internet connection
- choose the test and try it as many times as you want
- success color: green for perfect, blue for almost there, and red for more than 5 questions failed.
- 100% support -> have questions, no worries -> contact me
- time limit added -> you get 300 seconds/ 10 questions

At the end of the quiz, you get a list of questions you failed.