This exercise asks you to define some functions for manipulating linked structures. You should use the Node and TwoWayNode classes, as defined in this chapter.Create a tester module in the testnode.py file that contains your function definitions and your code for testing them.In the testnode.py file, complete the following:Complete the implementation of the length() function (not len).This function expects a singly linked structure as an argument.Returns the number of items in the structure.To test your program run the main() method in the testnode.py file.Your program's output should look like the following:0: 0 5: 5 3bil/>InstructionsThis exercise asks you to define somefunctions for manipulating linkedstructures. You should use the Nodeand TwoWayNode classes, as defined inthis chapter.Create a tester module in the testnode.pyfile that contains your function definitionsand your code for testing them.In the testnode.py file, complete thefollowing:1. Complete the implementation of thelength() function (not len).o This function expects a singlylinked structure as an argument.Hnode.py12 File: node.py3|| || ||testnode.py4 Node classes for one-way linked structures and two-way5 linked structures.ngular Snip6 """78 class Node(object):9101112131415 class TwoWayNode (Node):16def __init__(self, data, next = None):"""Instantiates a Node with default next of No+self.data dataself.next = next1718192021 # Just an empty link22 node1 = Nonedef __init__(self, data, previous = None, next =Node. __init__(self, data, next)self.previous = previous>_ Terminalsandbox $X+ InstructionsThis exercise asks you to define somefunctions for manipulating linkedstructures. You should use the Nodeand TwoWayNode classes, as defined inthis chapter.Create a tester module in the testnode.pyfile that contains your function definitionsand your code for testing them.In the testnode.py file, complete thefollowing:1. Complete the implementation of thelength() function (not len).o This function expects a singlylinked structure as an argument.Roturns the number of items innode.pytestnode.py910 from node import Node1112 def length(head):13141516"""Returns the number of items in the linked strucreferred to by head. ""# Write your code here1718 def main():1920212223242526272829 if __name__ == "__main__": main()30"""Tests modifications."""head Noneprint("0:", length(head))+# Add five nodes to the beginning of the linked stfor count in range(1, 6):head = Node (count, head)print("5:", length(head))>_ Terminalsandbox $xX+

ALGORITHM:- 1. Declare a local variable that will copy the reference of head variable. 2. Use a…

This exercise asks you to define some functions for manipulating linked structures. You should use the Node and TwoWayNode classes, as defined in this chapter. Create a tester module in the testnode.py file that contains your function definitions and your code for testing them. In the testnode.py file, complete the following: Complete the implementation of the length() function (not len). This function expects a singly linked structure as an argument. Returns the number of items in the structure. To test your program run the main() method in the testnode.py file. Your program's output should look like the following:

This exercise asks you to define some functions for manipulating linked structures. You should use the Node and TwoWayNode classes, as defined in this chapter. Create a tester module in the testnode.py file that contains your function definitions and your code for testing them. In the testnode.py file, complete the following: Complete the implementation of the length() function (not len). This function expects a singly linked structure as an argument. Returns the number of items in the structure. To test your program run the main() method in the testnode.py file. Your program's output should look like the following:

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter17: Linked Lists

Section: Chapter Questions

Problem 10PE

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