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class Stack: def __init__(self): self.stack = [] def push(self, element): self.stack.append(element) def pop(self): if self.isEmpty(): return "Stack is empty" return self.stack.pop() def peek(self): if self.isEmpty(): return "Stack is empty" return self.stack[-1] def isEmpty(self): return len(self.stack) == 0 def size(self): return len(self.stack) # Create a stack myStack = Stack() myStack.push('A') myStack.push('B') myStack.push('C') print("Stack: ", myStack.stack) print("Pop: ", myStack.pop()) print("Stack after Pop: ", myStack.stack) print("Peek: ", myStack.peek()) print("isEmpty: ", myStack.isEmpty()) print("Size: ", myStack.size())
Stack: ['A', 'B', 'C']
Pop: C
Stack after Pop: ['A', 'B']
Peek: B
isEmpty: False
Size: 2
