Question: Please code this in PYTHON!! Please code this in PYTHON!! def index(head: Optional[ListNode), val: int) int: Return the position of the ListNode containing val. If

Please code this in PYTHON!! Please code this in PYTHON!!Please code this in PYTHON!! def index(head: Optional[ListNode), Please code this in PYTHON!!

def index(head: Optional[ListNode), val: int) int: Return the position of the ListNode containing val. If such a node does not exist, return -1. >>> head = ListNode(1, ListNode(2, ListNode(3, None))) >>> index(head, 3) 2

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