from linked_list import LinkedList

# The code in "linked_list.py" can be used to create a linked list out of a list. 
# The code in "linked_list_traversal.py" can be used to traverse the linked list.
# The code in "linked_list_reversal.py" can be used to reverse the linked list.

def get_middle_node(head):

    # Replace this placeholder return statement with your code
    return head