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What is a class attribute in Python?

easy📝 Conceptual Q11 of 15
Python - Classes and Object Lifecycle
What is a class attribute in Python?
class Car:
wheels = 4
Here, what does wheels represent?
AA value shared by all Car objects
BA value unique to each Car object
CA method inside the Car class
DA variable defined inside a method
Step-by-Step Solution
Solution:
  1. Step 1: Identify the attribute location

    The attribute wheels is defined inside the class but outside any method.
  2. Step 2: Understand class attribute behavior

    Attributes defined this way are shared by all instances of the class.
  3. Final Answer:

    A value shared by all Car objects -> Option A
  4. Quick Check:

    Class attribute = shared value [OK]
Quick Trick: Class attributes are outside methods, shared by all instances [OK]
Common Mistakes:
  • Thinking class attributes are unique per object
  • Confusing class attributes with instance attributes
  • Assuming class attributes are methods

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