Instance vs class attributes — and the bug AI ships every time (step 6/9) · classes

promptdojo_

Claude wrote a Player class with an inventory = [] at the class level. Two players share the same inventory list. The output is ['sword', 'shield'] ['sword', 'shield'] instead of ['sword'] ['shield'].

Move the list into __init__ so each player gets its own. After the fix the output should be:

['sword'] ['shield']

The break is on line 2 — but read the whole snippet first.

Move the list into __init__ so each player gets its own. After the fix the output should be:

['sword'] ['shield']

The break is on line 2 — but read the whole snippet first.

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Instance vs class attributes — and the bug AI ships every time — step 6 of 9