Count nodes in circular linked list

Given a linked list, Find out the length of linked list node. This is common problem of linked list to count exist number of linked list node.

We can solve this problem by iterator linked list nodes. First start the front (head) node of linked list. And use one integer counter variable to one. Visiting linked list node are one by one and increment the counter value by one. This process are repeated until not found front node of circular linked list.

Suppose we are inserted the following (1,3,5,7,9,11) node in a sequence.

Here given code implementation process.

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