Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 3.2, Problem 8CP
Program Plan Intro
Decision structure:
Decision structure executes a set of statement under certain conditions. It is also known as selection structure. The action is performed only when the condition exists and takes different action depending upon the state “True” or “False”. The two categories of decision structure are given as follows:
- • Single alternative decision structure
- • Dual alternative decision structure
Single alternative decision structure:
This gives only alternative path of execution. “if” statement is used to write a single alternative decision structure.
- • If the condition is “true”, it executes the statement inside the block.
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Methods (Ch6) - Review
1. (The MyRoot method) Below is a manual implementation of the Math.sqrt() method in Java.
There are two methods, method #1 which calculates the square root for positive integers, and
method #2, which calculates the square root of positive doubles (also works for integers).
public class SquareRoot {
public static void main(String[] args) {
}
// implement a loop of your choice here
// Method that calculates the square root of integer variables
public static double myRoot(int number) {
double root;
root=number/2;
double root old;
do {
root old root;
root (root_old+number/root_old)/2;
} while (Math.abs(root_old-root)>1.8E-6);
return root;
}
// Method that calculates the square root of double variables
public static double myRoot(double number) {
double root;
root number/2;
double root_old;
do {
root old root;
root (root_old+number/root_old)/2;
while (Math.abs (root_old-root)>1.0E-6);
return root;
}
}
Program-it-Yourself: In the main method, create a program that…
I would like to know the main features about the following 3 key concepts:1. Backup Domain Controller (BDC)2. Access Control List (ACL)3. Dynamic Memory
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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