What will the contents of mylist be after the following Python code has been executed? >>> mylist = [1, 5, 2, 3] >>> mylist.append(4) Select one: a. [1, 4, 2, 3, 5] b. [1, 5, 2, 3, 4] c. [null] d. [1, 5, 2, 3]
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>>> mylist = [1, 5, 2, 3]
>>> mylist.append(4)
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- Suppose we use a Python dictionary to store gradebooks of multiple courses. gradebooks = {'Course 1': [['Troy', 92], ['Alice', 95]], 'Course 2': [['James', 89], ['Charles', 100], ['Bryn', 59]], 'Course 3': [['Jack', 74], ['Karren', 97], ['Astha', 92], ['Nancy', 96]]} Use the builtin sorted function with appropriate programming constructs (e.g., lambdas, comprehensions, , etc.) to complete the following tasks: Write code to create a new list named gradebooks_a, with students of each course being sorted by score in descending order. The expected result is: [[['Alice', 95], ['Troy', 92]], [['Charles', 100], ['James', 89], ['Bryn', 59]], [['Karren', 97], ['Nancy', 96], ['Astha', 92], ['Jack', 74]]]Print the following List in the reversed order using lambda / arrow operator. var array = new List <int>{ 8,2,2,24,5,7,5,3,2,10};In this code, what data structure is used to implement the Breadth First Search? #include <string> #include <vector> #include <iostream> #include <set> #include <map> #include <queue> template < typename T >class Graph; template < typename T > struct Edge { size_t src; size_t dest; T weight; inline bool operator < (const Edge < T > & e) const { return this -> weight < e.weight; } inline bool operator > (const Edge < T > & e) const { return this -> weight > e.weight; } }; template < typename T >std::ostream & operator << (std::ostream & os, const Graph < T > & G) { for (auto i = 1; i < G.vertices(); i++) { os << i << ":\t"; auto edges = G.outgoing_edges(i); for (auto & e: edges) os << "{" << e.dest << ": " << e.weight…
- Suppose, alist is a 2-dimensional list that is defined as follows. alist = [ [1], [2,3], [5,6,7] ] Which is the best option to access the last element of the last element of this list (i.e., 7)? Question options: a. alist[ len(alist) - 1 ][len(alist[len(alist) - 1]) - 1] b. alist[ len(alist) - 1 ][len(alist[len(alist) - 1])] c. alist[3][3] d. alist[ len(alist) - 1 ][1]You are going to implement a program that creates an unsorted list by using a linked list implemented by yourself. NOT allowed to use LinkedList class or any other classes that offers list functions. It is REQUIRED to use an ItemType class and a NodeType struct to solve this. Use C++, please read instructions carefully and new solution only! The “data.txt” file has three lines of data 100, 110, 120, 130, 140, 150, 160 100, 130, 160 1@0, 2@3, 3@END You need to 1. create an empty unsorted list 2. add the numbers from the first line to list using putItem() function. Then print all the current keys to command line in one line using printAll(). 3. delete the numbers given by the second line in the list by using deleteItem() function. Then print all the current keys to command line in one line using printAll().. 4. putItem () the numbers in the third line of the data file to the corresponding location in the list. For example, 1@0 means adding number 1 at position 0 of the list. Then…Given two ArrayLists: list1=[10,20,30], and list2=[40,50], what is the content of the list1 after executing the following statement: list1.addAll(list2) a. [40, 50] b. [10, 20, 30] c. [10, 40, 50, 20, 30] d. [10, 20, 30, 40, 50]
- Python ProgrammingHow to delete multiple elements in list?Example: list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2 , 3 ,4] I want to remove all "1," such that the output will be: [2, 3, 4, 5, 6, 7, 8, 9, 0, 2 , 3 ,4]Suppose that two arraysx1,x2,…,xnandy1,y2,…,yn.( Need only handwritten solution please otherwise downvote).Java - What is the resulting list after shell sort with a gap value of 1?
- (Intro to Python) Q6. Spot the error in the following code that is supposed to append x to the end of list and print it? How would you fix it? x = 2t = [6, 3, 9, 1]t = t.append(x) print(t, type(t))Write a python program... Write a function called merge2(d1,d2) that takes two dictionaries as input parameters. This function will create a new dictionary that contains everything from the two input dictionaries and return it. The same key might appear in both input dictionaries. In the output dictionary, the value for each key will be a list that has all values corresponding to this key in the two input dictionaries. Sample run,>>> d1 = {'a': 100, 'b': 200, 'c':300}>>> d2 = {'a': 300, 'b': 200, 'd':400} >>> d3 = merge2(d1,d2)>>> display(d3)a, [100,300]b, [200,200]c, [300]d, [400]You are given the pointer to the head node of a linked list and an integer to add to the list. Create a new node with the given integer. Insert this node at the tail of the linked list and return the head node of the linked list formed after inserting this new node. The given head pointer may be null, meaning that the initial list is empty. Function Description Complete the insertNodeAtTail function in the editor below. insertNodeAtTail has the following parameters: SinglyLinkedListNode pointer head: a reference to the head of a list int data: the data value for the node to insert Returns SinglyLinkedListNode pointer: reference to the head of the modified linked list Input Format The first line contains an integer , the number of elements in the linked list.The next lines contain an integer each, the value that needs to be inserted at tail. Constraints Sample Input STDIN Function ----- -------- 5 size of linked list n = 5 141 linked list data values…