1. Suggest a good reason the Python list uses an array rather than a linked structure to hold its items. 2. What advantage does a circular linked structure with a dummy header node give the...

1. Suggest a good reason the Python list uses an array rather than a linked structure to hold its items.

2. What advantage does a circular linked structure with a dummy header node give the programmer?

3. Describe one benefit and one cost of a doubly linked structure, as compared to a singly linked structure.