𝐝𝐞𝐟 𝐜𝐚𝐥𝐜(𝐚𝐫𝐫: int = [3]) -> list:
 𝐫𝐞𝐭𝐮𝐫𝐧 𝐚𝐫𝐫.𝐚𝐩𝐩𝐞𝐧𝐝(2)

Can you write a very detailed docstring for this
user
{"source": "ewof/sharegpt-instruct-unfiltered-deduped", "kind": "human", "evolved_from": null}
𝐝𝐞𝐟 𝐜𝐚𝐥𝐜(𝐚𝐫𝐫: int = [3]) -> list:
 𝐫𝐞𝐭𝐮𝐫𝐧 𝐚𝐫𝐫.𝐚𝐩𝐩𝐞𝐧𝐝(2)

Can you write a very detailed docstring for this
user
DUMMY RESPONSE
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