Write a program in Python to create a stack name StackVow, which takes the
elements as vowels and implement all oprations (Push, POP and Traversal) on
stack StackVow
elements as vowels and implement all oprations (Push, POP and Traversal) on
stack StackVow
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Answer:
The functions associated with stack are:
empty() – Returns whether the stack is empty – Time Complexity: O(1)size() – Returns the size of the stack – Time Complexity: O(1)top() – Returns a reference to the topmost element of the stack – Time Complexity: O(1)push(a) – Inserts the element ‘a’ at the top of the stack – Time Complexity: O(1)pop() – Deletes the topmost element of the stack – Time Complexity: O(1)
Answer:
A stack is a linear data structure that stores items in a Last-In/First-Out (LIFO) or First-In/Last-Out (FILO) manner. In stack, a new element is added at one end and an element is removed from that end only. The insert and delete operations are often called push and pop.
The functions associated with stack are:
empty() – Returns whether the stack is empty – Time Complexity: O(1)
size() – Returns the size of the stack – Time Complexity: O(1)
top() – Returns a reference to the topmost element of the stack – Time Complexity: O(1)
push(a) – Inserts the element ‘a’ at the top of the stack – Time Complexity: O(1)
pop() – Deletes the topmost element of the stack – Time Complexity: O(1)