class Account:

    def __init__(self):
        self._transactions = [] # the "_" prefix means treat this as private
        
    def deposit(self, amount):
        self._transactions.append(amount)In object-oriented programming, encapsulation refers to the bundling 
of data with the methods that operate on that data, or the restricting
of direct access to some of an object's componentsWhat is Encapsulation?
Encapsulation is defined as the wrapping up of data under a single unit.
It is the mechanism that binds together code and the data it manipulates.
Another way to think about encapsulation is, that it is a protective shield 
that prevents the data from being accessed by the code outside this shield. In general, encapsulation is a process of wrapping similar code in one place.

Encapsulation is one of the key features of object-oriented programming. It involves the bundling of data members and functions inside a single class.
Bundling similar data members and functions inside a class together also helps in data hiding.

Note: People often consider encapsulation as data hiding, but that's not entirely true.
Encapsulation refers to the bundling of related fields and methods together. This can be used to achieve data hiding. Encapsulation in itself is not data hiding.What is encapsulation?
Encapsulation protects your code by controlling the ways values are accessed and
changed, so that your code is only used as explicitly designed. Like
abstraction,encapsulation places a layer of separation between the underlying 
complexity of your code and the programmers who might be accessing it.
(learn more at link below)Encapsulation: 
Encapsulation is the mechanism of hiding of data implementation by 
restricting access to public methods. Instance variables are kept 
private and accessor methods are made public to achieve this.class Account:

    def __init__(self):
        self._transactions = [] # the "_" prefix means treat this as private
        
    def deposit(self, amount):
        self._transactions.append(amount)class Account:

    def __init__(self):
        self._transactions = [] # the "_" prefix means treat this as private
        
    def deposit(self, amount):
        self._transactions.append(amount)

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