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Python Programming - Encapsulation - Discussion

Discussion Forum : Encapsulation - General Questions (Q.No. 74)
Encapsulation
74.
In Python, what is the benefit of using a private variable with a double underscore prefix, such as __count? 
class Counter:
    __count = 0

    def increment_count(self):
        Counter.__count += 1
It improves code maintainability by hiding implementation details
It allows unrestricted access to __count
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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