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Which of the following is true about class attributes?

easy📝 Conceptual Q2 of 15
Python - Classes and Object Lifecycle
Which of the following is true about class attributes?
AThey can be accessed using the class name
BThey cannot be changed after class definition
CThey are only accessible inside methods
DThey are created when an instance is created
Step-by-Step Solution
Solution:

  1. Step 1: Recall how to access class attributes

    Class attributes can be accessed directly using the class name without creating an instance.

  2. Step 2: Verify other options

    Class attributes can be changed, are accessible outside methods, and exist before instances are created.

  3. Final Answer:

    They can be accessed using the class name -> Option A

  4. Quick Check:

    Class attribute access = ClassName.attribute [OK]
Quick Trick: Use ClassName.attribute to access class attributes [OK]
Common Mistakes:
  • Thinking class attributes are immutable
  • Assuming access only inside methods
  • Believing attributes are created per instance

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