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In a Player class, the method make_move() is supposed to update the player's position on the board. If the method does not update the position attribute, what is the likely bug?

medium📝 Analysis Q6 of Q15
LLD - Design — Tic-Tac-Toe Game
In a Player class, the method make_move() is supposed to update the player's position on the board. If the method does not update the position attribute, what is the likely bug?
AThe method is missing the self parameter
BThe Player class does not have a position attribute
CThe position attribute is private and cannot be changed
DThe method does not assign the new position to self.position
Step-by-Step Solution
Solution:

  1. Step 1: Check method implementation

    make_move() must assign new position to self.position to update it.

  2. Step 2: Exclude other causes

    Missing self parameter causes errors, private attribute would raise error, absence of attribute is different bug.

  3. Final Answer:

    Method does not assign new position to self.position -> Option D

  4. Quick Check:

    Position update requires assignment [OK]
Quick Trick: Always assign updated values to self attributes [OK]
Common Mistakes:
MISTAKES
  • Forgetting self in method
  • Assuming private attribute blocks update

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