👉 In computer science, a "shiftable" object is an object that can be changed or manipulated in one way without changing its value. This means that when you change the value of an instance of this object, it will not affect other instances of the same class. For example, consider a simple data type like Integer: ```python class Integer: def __init__(self): self.val = 0 def add(self, other: 'Integer') -> None:
