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Python Programming - Encapsulation - Discussion

Discussion Forum : Encapsulation - General Questions (Q.No. 63)
Encapsulation
63.
What is the advantage of encapsulating a class attribute with a double underscore prefix, such as __count? 
class MyClass:
    __count = 0

    def increment_count(self):
        MyClass.__count += 1
It allows unrestricted access to __count
It improves code maintainability by hiding implementation details
It exposes all internal details of __count
It creates a global variable
Answer: Option
Explanation:
Encapsulation with a double underscore prefix improves code maintainability by hiding the implementation details of the class attribute __count.
Discussion:
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