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1. Describe the significance of the global variable index. How is indexing used with lists in this app?
Answer
The significance of the global variable index is that it can be accessed through out the code and can be modified through a string, but the original value(s) is unchanged.
2. Describe how parallel lists were used in this app. Why was the parallel structure of the lists necessary?
Answer
Parallel lists were used in this app to correspond answers, questions, and image. They are necessary because otherwise you'd have to create a procedure that links the corresponding list values together.
3. Include screenshots of your code for exercises 2 and 3 from the Enhancements section.
see below
4. Include a screenshot of the code that added your extra question (exercise 4). Explain why the code for the buttons worked without any changes after the addition of the extra question.
Answer
see below.
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