Encapsulated Stack

Build a class NumberStack that hides a private List<int>. Provide:
- Push(int n) adds n to the top
- Pop() removes and returns the top (most recently pushed) item
- a read-only Count property with the number of items left

Do not write a Main method.

After Push(1), Push(2), Push(3), the program prints Pop() on one line then Count on the next:
3
2

Expected Output:

3
2

Topics:

Encapsulation

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