Convert singly linked list into circular linked list

Suppose given a singly linked list and we are Convert this linked list into circular single linked list. Note that In single linked list last node are contain the reference of NULL. But last node of circular linked list are hold the address of first node of linked list.

Suppose we are inserted the following (1,2,3,4,5,6,7) node in a sequence.

Singly linked list Converted
circular linked list

Here given code implementation process.


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