In a doubly linked list, each node contains three parts:
Data: The value stored in the node.
Next pointer: A pointer/reference to the next node in the list.
Prev pointer: A pointer/reference to the previous node in the list.
Insertion after a specified node refers to adding a new node immediately after a specific node in the list.
#insertionafterspecifiednodeindoublylinkedlist
#DLLinsertionafterspecifiednode
#datastructure
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