Doubly linked chain
When a linked chain contains nodes that reference both the next node and the previous node, it is called a doubly linked chain. This type of chain is often used in data structures because it provides a way to easily traverse the data in both directions. However, because each node must reference both the next node and the previous node, doubly linked chains require more memory than singly linked chains.
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Answer:
I think it's A, def drawDiamond():
Explanation:
Put the mouse at the top of the black part and click and hold down, and then drag it down to the bottom. And don't feel embarrassed to ask somebody lol
