In python please

CODE TO IMPORT

""" list_node.py

Contains a simple ListNode class, which simply has 'val' and 'next' fields. """

class ListNode: """ Models a single node in a singly-linked list. Has no methods, other than the constructor. """

def __init__(self, val): """ Constructs the object; caller must pass a value, which will be stored in the 'val' field. """

self.val = val self.next = None

list_to_array(head) This function converts a linked list to an array containing the same values. The parameter is a linked list (perhaps empty); the return value must be an array, with the same values, in the same order. Do not change the list that you were passed