Which of the following lines of code would change matrix2 but not matrix3? matrix1 = [] matrix1[0] = [[6, 7]] O matrix1[1][1] = 0 None of the above
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- A list of lists of numbers is a list such that all its elements are lists of numbers. Consider the following examples:• [[3,5], [], [1, 1, 1]] is a list of list of numbers;• [ [ [3,5]]], [], [1]] is not a list of list of numbers due to the first element;• [2, [1]] is not a list of list of numbers due to the first element, but note that the tree that encodes this list also encodes [[0,0],[1]] which is a list of list of numbers. Note that an empty list can always be considered a list of numbers and a list of lists of numbers. Answer for EACH of the given trees (a)–(d) the following question:Does it encode a list of numbers? If it does which is the corresponding list of numbers? USE THE ENCODING OF DATATYPES IN D BELOW (a) ((nil.nil).((nil. (nil.nil)).<<nil.(nil.nil)).nil)))(b) (nil.((nil.nil).(({nil.(nil.nil)).nil).nil)))(c) (((nil.nil).((nil. (nil.nil)).nil)).< (nil.(nil. (nil.nil ))).nil )) (d) ((nil.nil).((nil.nil).<<<<nil.nil).nil).nil).nil)))A list of lists of numbers is a list such that all its elements are lists of numbers. Consider the following examples:• [[3,5], [], [1, 1, 1]] is a list of list of numbers;• [ [ [3,5]]], [], [1]] is not a list of list of numbers due to the first element;• [2, [1]] is not a list of list of numbers due to the first element, but note that the tree that encodes this list also encodes [[0,0],[1]] which is a list of list of numbers. Note that an empty list can always be considered a list of numbers and a list of lists of numbers. Answer for EACH of the given trees (a)-(d) the following question: Does it encode a list of lists of numbers? If it does which is the corre- sponding list of lists of numbers? USE THE ENCODING OF DATATYPES IN D BELOW(a) ((nil.nil).((nil. (nil.nil)).<<nil.(nil.nil)).nil)))(b) (nil.((nil.nil).(({nil.(nil.nil)).nil).nil)))(c) (((nil.nil).((nil. (nil.nil)).nil)).< (nil.(nil. (nil.nil ))).nil )) (d) ((nil.nil).((nil.nil).<<<<nil.nil).nil).nil).nil)))Given two sorted integer lists numsl and nums2, return a new list that merges nums1 and nums2 as one sorted list. For example: Given: [1, 4, 6] and [2, 3, 5] Return: [1, 2, 3, 4, 5, 6] Given: [0] and [1] Return [0, 1] Given [2] and [2] Return [2, 2]
- A. A single linked list provides pointers to the next node in the sequence. Consider the below structure of the linked list and answer the questions that follow: list_head- list_tail- Assuming the front is the 1st node and the back is the Nth node, state and explain the running times for the below: i. Find a node from the front. ii. Find a node from the back. iii. Insert a node at the front. iv. Insert a node at the back. V. Erase a node from the front. vi. Erase a node from the back.Merge2AscListsRecur that combines the nodes in X-list and Y-list into Z-list such that, after calling the function, Z-list is a sorted list (in non-decreasing order) containing all the nodes initially contained in X-list and Y-list – X-list and Y-list should both be empty after the call. The function should: ► Have only three parameters (each a pointer-to-Node) and no return value (be a void function). ► Not use any global variables or static local variables. ► Not use any looping constructs (for, while, do-while, ...). ► Be directly (not indirectly) recursive. ► Not create any new nodes, destroy any existing nodes or copy/replace the data item of any node. ► Not make temporary copies of the data involved using any other storage structures (arrays, stacks, queues, etc.). ► Use (if ever needed) no more than a small number of pointers to hold certain link addresses. ○ Not make temporary copies of the…Python program- implement a singly linked list with following functions: - add_head(e) - add_tail(e) - find_3rd_to_last() - returns element located at third-to-last in the list - reverse() - reveres the linked list, note, this is not just printing elements in reverse order, this is actually reversing the list
- 6. How long does each of the given operations take for each of the given data structures? Write L for linear or C for constant. Array list Linked list Insertion at cursor Deletion at cursor Insertion at one end Getting a value at an indexC Language In a linear linked list, write a function that deletes the element in the middle of the list (free this memory location) (if the list has 100 or 101 elements, it will delete the 50th element). The function will take a list as a parameter and return the updated list.1. Please give the type of function f and g f: shuffle two lists with any type of elements. Example: f[1, 2, 3] [4, 5, 6] = [1, 4, 2, 5, 3, 6] g: shuffle two 3-tuples of any type. Example: f (1, [2, 3], "a") (true, 3, 2.5) = (1, true, [2, 3], 3, "a", 2.5)
- I need a reference page for this question that was answered below. What is the difference between a singly-linked list and a doubly-linked list? In what situation would you use a singly-linked list over a doubly-linked list? In what situation would you use a doubly-linked list over a singly-linked list? If a node is in a linked list with N nodes, how many nodes will be traversed during a search for the node? Explain the best- and worst-case search scenarios. Explain why a singly-linked list defines a RemoveAfter() function, while a doubly-linked list defines a Remove() function. Could a RemoveAfter() function also be defined for a doubly-linked list? Explain why or why not. Could a Remove() function also be defined for a singly-linked list? Explain why or why not.Do you know what the difference is between a single-linked list and a doubly-linked list? When is it better to use a singly-linked list rather than a doubly-linked list?When is it better to use a doubly-linked list rather than a singly-linked list? In a search for a node that is part of a linked list with N elements, how many nodes will be visited and how long will it take? Describe the best- and worst-case scenarios that may occur during a search operation.Explain why the RemoveAfter() function is present in a singly-linked list yet the Remove() function is present in a doubly-linked list.Could the RemoveAfter() function be extended to include a doubly-linked list as well as a simple list? Explain why you believe this is the case, or why you believe it is not the case.What are the chances of implementing a Remove() function for a singly-linked list? Explain why you believe this is the case, or why you believe it is not the case.def create_matrix(lst): """Create matrix will take matrix represented as a list of list. And output a function which will index the input matrix Args: lst (List of List): A list of list representation of matrix. There will be more than one element of list type in lst. Returns: [function]: An indexing function. >>> matrix_index1 = create_matrix([[1, 2], [2, 3]]) # a 2 x 2 matrix. >>> matrix_index2 = create_matrix([[1, 2, 3], [2, 3, 1]]) # a 2 x 3 matrix. >>> matrix_index3 = create_matrix([[1, 2, 3], []]) # an invalid matrix """ ### Modify your code here def matrix_index(i=None, j=None): """Indexing function which will retrive (i, j) entry of the input matrix representation Args: i (int, optional): row index. Defaults to None. (0-index) j (int, optional): column index. Defaults to None. (0-index) Return: List of List: a…