Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 3.6, Problem 20CP
Explanation of Solution
Boolean variables:
Boolean variables are referred as “bool”, commonly used as flags which gives intimation whether the condition exists.
- • It can refer any of the two values, either “True” or “False”.
- • Flag is used to remember something or leave a sign for the other parts of the
program. - • The condition does not exist when the flag is set to false.
- • The condition exists when the flag is set to true.
Example Program:
The below program demonstrates the working of “Boolean” variables...
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Q4: Consider the LIBRARY relational database schema shown in Figure below
a. Edit Author_name to new variable name where previous
surname was 'Al - Wazny'.
Update book_Authors
set Author_name = 'alsaadi'
where Author_name = 'Al - Wazny'
b. Change data type of Phone to string instead
of numbers.
عرفنه شنو الحل
BOOK
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BOOK AUTHORS
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PUBLISHER
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عرفته شنو الحل
e. Add one book as variables data?
عرفته شنو الحل
Add a timer in the following code.
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private Timer timer; private long elapsedTime;
public GameGUI(Labyrinth labyrinth, Player player, Dragon dragon) { this.labyrinth = labyrinth; this.player = player; this.dragon = dragon; String playerName = JOptionPane.showInputDialog("Enter your name:"); player.setName(playerName); elapsedTime = 0; timer = new Timer(1000, e -> { elapsedTime++; repaint(); }); timer.start();
}
@Override protected void paintComponent(Graphics g) { super.paintComponent(g); int cellSize = Math.min(getWidth() / labyrinth.getSize(), getHeight() / labyrinth.getSize());}
Change the following code so that when player wins the game, the game continues by creating new GameGUI with the same player. However the player's starting position is same, everything else should be reseted.
public static void main(String[] args) { Labyrinth labyrinth = new Labyrinth(10); Player player = new Player(9, 0); Random rand = new Random(); Dragon dragon = new Dragon(rand.nextInt(10), 9); JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon);
frame.setLayout(new BorderLayout()); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(gui, BorderLayout.CENTER); frame.pack(); frame.setResizable(false); frame.setVisible(true); }
public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private Timer timer; private long…
Chapter 3 Solutions
Starting Out with Python (4th Edition)
Ch. 3.1 - What is a control structure?Ch. 3.1 - What is a decision structure?Ch. 3.1 - Prob. 3CPCh. 3.1 - Prob. 4CPCh. 3.1 - What types of relationships between values can you...Ch. 3.1 - Write an if statement that assigns 0 to x if y is...Ch. 3.1 - Write an if statement that assigns 0.2 to...Ch. 3.2 - Prob. 8CPCh. 3.2 - What statement do you use in Python to write a...Ch. 3.2 - When you write an if-else statement, under what...
Ch. 3.3 - What would the following code display? If 'z a:...Ch. 3.3 - What would the following code display? s1 = 'New...Ch. 3.4 - Convert the following code to an if-elif-else...Ch. 3.5 - Prob. 14CPCh. 3.5 - Prob. 15CPCh. 3.5 - Assume the variables a = 2, b = 4, and c = 6....Ch. 3.5 - Explain how short-circuit evaluation works with...Ch. 3.5 - Write an if statement that displays the message...Ch. 3.5 - Write an if statement that displays the message...Ch. 3.6 - Prob. 20CPCh. 3.6 - What is a flag variable?Ch. 3.7 - Prob. 22CPCh. 3.7 - Prob. 23CPCh. 3.7 - Prob. 24CPCh. 3.7 - Prob. 25CPCh. 3.7 - How do you determine the turtle's pen color? How...Ch. 3.7 - Prob. 27CPCh. 3.7 - Prob. 28CPCh. 3 - A ______ structure can execute a set of statements...Ch. 3 - A __________ structure provides one alternative...Ch. 3 - A(n) _________ expression has a value of either...Ch. 3 - The symbols , , and == are all ___________...Ch. 3 - A(n)__________ structure tests a condition and...Ch. 3 - You use a(n) _______ statement to write a single...Ch. 3 - You use a(n) ______ statement to write a dual...Ch. 3 - and, or, and not are ________ operators. a....Ch. 3 - A compound Boolean expression created with the...Ch. 3 - A compound Boolean expression created with the...Ch. 3 - The _________ operator takes a Boolean expression...Ch. 3 - A ________ is a Boolean variable that signals when...Ch. 3 - Prob. 1TFCh. 3 - A program can be made of only one type of control...Ch. 3 - A single alternative decision structure tests a...Ch. 3 - A decision structure can be nested inside another...Ch. 3 - A compound Boolean expression created with the and...Ch. 3 - Explain what is meant by the term conditionally...Ch. 3 - You need to test a condition then execute one set...Ch. 3 - Briefly describe how the and operator works.Ch. 3 - Briefly describe how the or operator works.Ch. 3 - Prob. 5SACh. 3 - What is a flag and how does it work?Ch. 3 - Write an if statement that assigns 20 to the...Ch. 3 - Write an if statement that assigns 0 to the...Ch. 3 - Write an if-else statement that assigns 0 to the...Ch. 3 - The following code contains several nested if-else...Ch. 3 - Write nested decision structures that perform the...Ch. 3 - Write an if-else statement that displays 'speed is...Ch. 3 - Write an if-else statement that determines whether...Ch. 3 - Prob. 8AWCh. 3 - Prob. 9AWCh. 3 - Prob. 10AWCh. 3 - Day of the Week Write a program that asks the user...Ch. 3 - Areas of Rectangles The area of a rectangle is the...Ch. 3 - Age Classifier Write a program that asks the user...Ch. 3 - Roman Numerals Write a program that prompts the...Ch. 3 - Mass and Weight Scientists measure an objects mass...Ch. 3 - Magic Dates The date June 10, 1960, is special...Ch. 3 - Color Mixer The colors red, blue, and yellow are...Ch. 3 - Hot Dog Cookout Calculator Assume hot dogs come in...Ch. 3 - Roulette Wheel Colors On a roulette wheel, the...Ch. 3 - Money Counting Game Create a change-counting game...Ch. 3 - Book Club Points Serendipity Booksellers has a...Ch. 3 - Software Sales A software company sells a package...Ch. 3 - Shipping Charges The Fast Freight Shipping Company...Ch. 3 - Body Mass Index Write a program that calculates...Ch. 3 - Time Calculator Write a program that asks the user...Ch. 3 - February Days The month of February normally has...Ch. 3 - Wi-Fi Diagnostic Tree Figure 3-19 shows a...Ch. 3 - Restaurant Selector You have a group of friends...Ch. 3 - Turtle Graphics: Hit the Target Modification...
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- Create a menu item which restarts the game. Also add a timer, which counts the elapsed time since the start of the game level. When the restart is pressed, the restarted game should ask the player' name (in the GameGUI constructor) and set the score of player to 0 (player.setScore(0)), and the timer should restart again. And create a logic so that if the player loses his life (checkGame if the condition is false), then save this number together with his name into two variables. And display two buttons where one quits the game altogether (System.exit(0)) and the other restarts the game. public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private final ImageIcon playerIcon = new ImageIcon("data/images/player.png"); private final ImageIcon dragonIcon = new ImageIcon("data/images/dragon.png"); private final ImageIcon wallIcon = new ImageIcon("data/images/wall.png"); private final ImageIcon…arrow_forwardPlease original work Analyze the complexity issues of processing big data What are five complexities and talk about the reasons they make the implementation complex. Please cite in text references and add weblinksarrow_forwardCreate a Database in JAVA Netbeans that saves name of the player and how many labyrinths did the player solve. Record the number of how many labyrinths did the player solve, and if he loses his life, then save this number together with his name into the database. Create a menu item, which displays a highscore table of the players for the 10 best scores public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private void checkGameState() { if (player.getX() == 0 && player.getY() == labyrinth.getSize() - 1) { JOptionPane.showMessageDialog(this, "You escaped! Congratulations!"); System.exit(0); } if (Math.abs(player.getX() - dragon.getX()) <= 1 && Math.abs(player.getY() - dragon.getY()) <= 1) { JOptionPane.showMessageDialog(this, "The dragon caught you! Game Over."); System.exit(0); } } } public…arrow_forward
- Create a Database in JAVA OOP that saves name of the player and how many labyrinths did the player solve. Record the number of how many labyrinths did the player solve, and if he loses his life, then save this number together with his name into the database. Create a menu item, which displays a highscore table of the players for the 10 best scores. Also, create a menu item which restarts the game. public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private void checkGameState() { if (player.getX() == 0 && player.getY() == labyrinth.getSize() - 1) { JOptionPane.showMessageDialog(this, "You escaped! Congratulations!"); System.exit(0); } if (Math.abs(player.getX() - dragon.getX()) <= 1 && Math.abs(player.getY() - dragon.getY()) <= 1) { JOptionPane.showMessageDialog(this, "The dragon caught you! Game Over.");…arrow_forwardChange the following code so that the player can see only the neighboring fields at a distance of 3 units. public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; private final ImageIcon playerIcon = new ImageIcon("data/images/player.png"); private final ImageIcon dragonIcon = new ImageIcon("data/images/dragon.png"); private final ImageIcon wallIcon = new ImageIcon("data/images/wall.png"); private final ImageIcon emptyIcon = new ImageIcon("data/images/empty.png"); public GameGUI(Labyrinth labyrinth, Player player, Dragon dragon) { this.labyrinth = labyrinth; this.player = player; this.dragon = dragon; setFocusable(true); addKeyListener(new KeyAdapter() { @Override public void keyPressed(KeyEvent e) { char move = switch (e.getKeyCode()) { case KeyEvent.VK_W -> 'W'; case…arrow_forwardQ/ Fill in the table below with the correct answers for the network devices and components required, then draw the topology diagram for the network of this three-story building: I want a drawing Cisco Packet tracer Ground Floor: This floor will house the main server room, reception area, and a few conference rooms. The server room should contain the core network devices that will connect the entire building. The reception area and conference rooms need network access require access for mobile devices for visitors and guests with devices. First Floor: This floor is dedicated to offices with workstations, each needing reliable network connectivity for staff computers, IP phones, IP camera, and printers. Second Floor (Education Department): This floor consists of educational spaces requiring controlled internet access. Only the educational website (https://uokerbala.edu.iq) should be accessible, with all other sites restricted.. Device Media type Location floor Type of IP Static/dynamic…arrow_forward
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- Exercise docID document text docID document text 1 hot chocolate cocoa beans 7 sweet sugar 2345 9 cocoa ghana africa 8 sugar cane brazil beans harvest ghana 9 sweet sugar beet cocoa butter butter truffles sweet chocolate 10 sweet cake icing 11 cake black forest Clustering by k-means, with preprocessing tokenization, term weighting TFIDF. Manhattan Distance. Number of cluster is 2. Centroid docID 2 and docID 9.arrow_forwardChange the following code so that there is always at least one way to get from the left corner to the top right, but the labyrinth is still randomized. The player starts at the bottom left corner of the labyrinth. He has to get to the top right corner of the labyrinth as fast he can, avoiding a meeting with the evil dragon. Take care that the player and the dragon cannot start off on walls. Also the dragon starts off from a randomly chosen position public class Labyrinth { private final int size; private final Cell[][] grid; public Labyrinth(int size) { this.size = size; this.grid = new Cell[size][size]; generateLabyrinth(); } private void generateLabyrinth() { Random rand = new Random(); for (int i = 0; i < size; i++) { for (int j = 0; j < size; j++) { // Randomly create walls and paths grid[i][j] = new Cell(rand.nextBoolean()); } } // Ensure start and end are…arrow_forwardChange the following code so that it checks the following 3 conditions: 1. there is no space between each cells (imgs) 2. even if it is resized, the components wouldn't disappear 3. The GameGUI JPanel takes all the JFrame space, so that there shouldn't be extra space appearing in the frame other than the game. Main(): Labyrinth labyrinth = new Labyrinth(10); Player player = new Player(9, 0); Dragon dragon = new Dragon(9, 9); JFrame frame = new JFrame("Labyrinth Game"); GameGUI gui = new GameGUI(labyrinth, player, dragon); frame.add(gui); frame.setSize(600, 600); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); public class GameGUI extends JPanel { private final Labyrinth labyrinth; private final Player player; private final Dragon dragon; //labyrinth, player, dragon are just public classes private final ImageIcon playerIcon = new ImageIcon("data/images/player.png");…arrow_forward
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