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DIY: Flatten Nested List Iterator

Explore how to implement a NestedIterator class that flattens nested lists of integers. Understand and build functions to initialize the iterator, check for remaining integers, and retrieve the next integer. This lesson helps you tackle problems involving nested data structures and prepares you for coding interviews involving complex list manipulations.

Problem statement

You will be given a nested list of integers named nestedList. Each element will either be an integer or a list whose elements may also be integers or other lists. Your task will be to implement an iterator to flatten the nested list.

You will have to implement the NestedIterator class. This class has the following ...