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A stack is a fundamental data structure based on the principle of Last-In-First-Out (LIFO). Elements are added (pushed) and removed (popped) from the top.
Follows LIFO (Last-In-First-Out) principle.
Insertion (push) and deletion (pop) occur at the top.
Simple and efficient for managing data in reverse order of arrival.
Can be implemented using arrays or linked lists.
Stacks are essential for managing execution flow in programs and simplifying data handling.