Luhua-codes

//Q1
let num = 10;

//Q2
let add8 = num + 8;

//Q3
let subtract6 = num - 6;

//Q4

Luhua-codes

//challenge 2
function findStudentName(studentList, sn) {
    studentList = studentList.sort(function (a, b) {
        return a.sn - b.sn
    });
    return studentList[sn - 1].name;
}

function findStudent(studentList, sn) {
    studentList = studentList.sort(function (a, b) {

Luhua-codes

/* Arrays II slide 10*/
//https://www.w3schools.com/jsref/jsref_findindex.asp
let groceryList = [{ // use curly brackets and key/value pairs (attributes of "object") syntax to make array of objects
    item: "milk", purchased: false
}, {
    item: "salad", purchased: false
}, {
    item: "cereal", purchased: false
}, {
    item: "juice", purchased: false

Luhua-codes

import java.util.*;
import java.io.*;

public class Miniane {
    public static void printTree(int height) throws FileNotFoundException { //This is the correct exception to throw
        File file = new File("test.txt");
        PrintWriter out = new PrintWriter(file);
        for(int i = 1; i <= height; i++){ //Use i=1 so that * will be repeated i times for each line
            out.println("*".repeat(i)); //string.repeat will return the string repeated [int] amount of times
        }

Luhua-codes

import java.util.*;

public class Miniane {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        int[] ints = new int[5];
        int lengthi = ints.length;

        for (int i = 0; i < ints.length; i++){

Luhua-codes

x1 = [0 1 4;2 3 5;2 6 3];
y1 = [0 4 5;7 8 6;3 1 5];
z1 = [0 2 1;5 6 6;2 8 8];
c = [6 3 0;5 6 4; 0 2 3];
patch(x1,y1,z1,c)
view(3)
  
v1 = [0 0 0;2 7 0;2 3 0;2 7 5;2 3 2]
f1 = [1 2 3;1 2 4;1 3 5]
patch('Faces', f1,'Vertices',v1,'FaceColor','magenta')

Luhua-codes

class Node:
    def __init__(self, label: str, edges: list):
        self.label = label
        self.edges = edges

    def __str__(self):
        size = len(self.edges)
        return 'Node {self.label} has {size} edges, {self.edges}'.format(self=self, size=size)

    def add_outgoing_edge(self, newEdge):

Luhua-codes

function shapes(n)
function test(n)
    axis('equal');
    view ([-1 -1 1]);

    xlabel('x');
    ylabel('y');
    zlabel('z');

    %draw lab section 8 Last name A-J

Luhua-codes

import csv


def getData(dataFile):
    headings = []  # list for headings of data
    rows = []  # list for rows of data

    with open(dataFile, 'r') as file:
        reader = csv.reader(file)  # create csv reader object
        headings = next(reader)  # store headings using 1st row of file

Luhua-codes

public class A3Q3 {

    static double dydx(double x){
        double k = 0.5, a = 2, b = 1;

        return k * (a - x) * Math.pow((b - x), 0.5);
    }

    static double euler(double n){
        double solution = 0, x0 = 0, t = 0, x, slope, h = 1/n;