Complete the python method that implements the push method for a Linked Stack class. [4 marks]

Perfect python syntax is not required.

Provide one advantage/disadvantage of a Linked Stack over an Array-Based Stack. [1 mark]

class Node:
    def __init__(self, item):
        self.item = item
        self.link = None
class LinkedStack(Stack):
    def __init__(self):
        self.top = None
        self.length = 0
    
    def push(self, item):
        pass