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@hejohnny : you dont need to check "head.next != null" in while loop as it is mentioned in the question that position will be in between 0 and the number of nodes of the linked list provided.
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Insert a node at a specific position in a linked list
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@hejohnny : you dont need to check "head.next != null" in while loop as it is mentioned in the question that position will be in between 0 and the number of nodes of the linked list provided.