Stack in python

Python stack data structure

>>> from collections import deque
>>> myStack = deque()
>>> myStack.append('a')
>>> myStack.append('b')
>>> myStack.append('c')
>>> myStack
deque(['a', 'b', 'c'])
>>> myStack.pop()
'c'
>>> myStack
deque(['a', 'b'])

Stack in python

stack = []
# add element in the stack.
stack.append('a')
# delete in LIFO order.
stack.pop()

Implement stack using list in python

# Stack is Last In First Out data structure
stack = []

stack.append(1)
stack.append(2)
stack.append(3)  # 3 is top element of stack at this point

print(stack)  # [1, 2, 3]

top_element = stack.pop()
print(top_element)  # 3
print(stack.pop())  # 2
print(stack.pop())  # 1

print("Stack after being emptied: ")
print(stack)  # []

Source: geeksforgeeks.org

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