Stack

       Stack Implementation Using Python

from collections import deque
class stack:
    def __init__(self):
        self.container = deque()

    def push(self, data): #Push on Top
        self.container.append(data)
    def pop(self): #Pop top Element
        return self.container.pop()
    def peek(self):#print Top element
        return self.container[-1]
    def isempty(self):#Checks Empty Or Not
        return len(self.container)==0
    def size(self): #return Size of Stack
        return len(self.container)


newstack = stack()
newstack.push("1")
newstack.push("2")
newstack.push("3")
newstack.push("4")
print(newstack.getstack())
newstack.pop()
print(newstack.getstack())
print(newstack.isempty()) 

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