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Why does Python use the Method Resolution Order (MRO) in multiple inheritance?

hard🧠 Conceptual Q10 of Q15
Python - Multiple Inheritance and Method Resolution
Why does Python use the Method Resolution Order (MRO) in multiple inheritance?
ATo automatically merge all parent methods into one
BTo prevent syntax errors in class definitions
CTo determine the order in which parent classes are searched for methods
DTo restrict multiple inheritance to only two parents
Step-by-Step Solution
Solution:
  1. Step 1: Understand purpose of MRO

    MRO defines the order Python uses to look for methods in parent classes when multiple inheritance is used.
  2. Step 2: Evaluate each option

    To determine the order in which parent classes are searched for methods correctly states MRO's purpose. Others are incorrect or unrelated.
  3. Final Answer:

    To determine the order in which parent classes are searched for methods -> Option C
  4. Quick Check:

    MRO = method search order in multiple inheritance [OK]
Quick Trick: MRO decides which parent method is called first [OK]
Common Mistakes:
MISTAKES
  • Thinking MRO prevents syntax errors
  • Believing MRO merges methods automatically
  • Assuming MRO limits number of parents

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