Python - Encapsulation and Data Protection
Which of the following is the correct way to define a protected attribute named
_count inside a Python class?Which of the following is the correct way to define a protected attribute named _count inside a Python class?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify protected attribute syntax
Protected attributes start with a single underscore, soself._countis correct.Step 2: Check other options
self.countis public,self.__countis private, andcount = 0is a local variable, not an attribute.Final Answer:
self._count = 0 -> Option AQuick Check:
Protected attribute = single underscore prefix [OK]
Quick Trick: Use single underscore for protected attributes inside classes [OK]
Common Mistakes:
- Using no underscore for protected attribute
- Using double underscore for protected instead of private
- Defining attribute without self inside methods
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