Python - Encapsulation and Data Protection
What is a necessary condition for a method to be used as a setter with the @property decorator in Python?
What is a necessary condition for a method to be used as a setter with the @property decorator in Python?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Understand setter method signature
A setter method must have the same name as the property it sets and accept exactly one argument (besides self) which is the new value.Step 2: Check other options
Returning a value is not required (B), order of definition is flexible (C), and setters typically modify instance variables (D).Final Answer:
It must have the same name as the property and accept exactly one parameter besides self -> Option AQuick Check:
Setter method signature requires one parameter [OK]
Quick Trick: Setter must accept one argument besides self [OK]
Common Mistakes:
- Defining setter with a different name
- Setter method without parameters
- Expecting setter to return a value
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