Python Programming: An Introduction to Computer Science, 3rd Ed.
3rd Edition
ISBN: 9781590282755
Author: John Zelle
Publisher: Franklin, Beedle & Associates
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 9, Problem 14PE
Program Plan Intro
Program plan:
- Import the required packages
- In the “main()” function,
- Generate a prompt to take the user input.
- Create the object of “GraphWin()”.
- Set the coordinates by calling the function “setCoords()”
- A loop is initialized for “i” to be less than 5.
- Call the function named “randWalk()”.
- The function named “randWalk()” is defined and inside it,
- Create the object of “Point()”.
- Initialize a loop to get the x and y coordinates.
- Store the x-coordinate value derived in x variable.
- Store the y-coordinate value derived in y variable.
- Call the function named “simOneStep()”.
- Draw the line with the use of function “draw()”.
- Create the object of “Line()”.
- Draw the line with the use of function “draw()”.
- Assign the value of “point1” to “point2”.
- The function named “simOneStep()” is defined and inside it,
- Calculate the angle between two axis and store in variable “angle”.
- Calculate the position of x axis.
- Calculate the position of y axis.
- Create the object of “Point()”.
- Return the value stored in variable “point”.
- This code executes the main directly.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Write a graphical program to trace a random walk (see previous two prob-lems) in two dimensions. In this simulation you should allow the step to
be taken in any direction. You can generate a random direction as an angleoff of the x axis.
angle = random() * 2 * math.pi
Python programming:
A robot moves in a plane starting from the original point (0,0). The robot can move
toward UP, DOWN, LEFT and RIGHT with a given steps. The trace of robot movement is
shown as the following:
UP 5
DOWN B
LEFT B
RIGHT 2
i
The numbers after the direction are steps. Please write a program to compute the
distance from current position after a sequence of movement and original point. If
the distance is a float, then just print the nearest integer.
Example:
If the following tuples are given as input to the program:
UP 5
DOWN 3
LEFT 3
RIGHT 2
Then, the output of the program should be:
2
Hints:
In case of input data being supplied to the question, it should be assumed to be a
console input.
In various applications, you are often asked
to compute the mean and standard
deviation of data. The mean is simply the
average of the numbers. The standard
deviation is a statistic that tells you how
tightly all the various data are clustered
around the mean in a set of data. For
example, what is the average age of the
students in a class? How close are the ages?
If all the students are the same age, the
deviation is 0.
Write a program that prompts the user to
enter any number of values into a double
array, and then calculates and displays the
mean and standard deviations of these
numbers using the following formulas:
mean)?
2i +x2 + ..
+ xn
i=1
i=1
mean =
deviation =
п - 1
Chapter 9 Solutions
Python Programming: An Introduction to Computer Science, 3rd Ed.
Ch. 9 - Prob. 1TFCh. 9 - Prob. 2TFCh. 9 - Prob. 3TFCh. 9 - Prob. 4TFCh. 9 - Prob. 5TFCh. 9 - Prob. 6TFCh. 9 - Prob. 7TFCh. 9 - Prob. 8TFCh. 9 - Prob. 9TFCh. 9 - Prob. 10TF
Ch. 9 - Prob. 1MCCh. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MCCh. 9 - Prob. 6MCCh. 9 - Prob. 7MCCh. 9 - Prob. 8MCCh. 9 - Prob. 9MCCh. 9 - Prob. 10MCCh. 9 - Prob. 2DCh. 9 - Prob. 3DCh. 9 - Prob. 1PECh. 9 - Prob. 2PECh. 9 - Prob. 3PECh. 9 - Prob. 4PECh. 9 - Prob. 5PECh. 9 - Prob. 6PECh. 9 - Prob. 7PECh. 9 - Prob. 8PECh. 9 - Prob. 9PECh. 9 - Prob. 10PECh. 9 - Prob. 11PECh. 9 - Prob. 12PECh. 9 - Prob. 13PECh. 9 - Prob. 14PE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- (Program) Write a program to simulate the rolling of two dice. If the total of the two dice is 7 or 11, you win; otherwise, you lose. Embellish this program as much as you like with betting, different odds, different combinations for win or lose, stopping play when you have no money left or reach the house limit, displaying the dice, and so forth. (Hint: Calculate the dots showing on each die with theexpressiondots=(int)(6.0randomnumber+1), where random number is between 0 and 1.)arrow_forward(Simulation) Write a program to simulate the roll of two dice. If the total of the two dice is 7 or 11, you win; otherwise, you lose. Embellish this program as much as you like, with betting, different odds, different combinations for win or lose, stopping play when you have no money left or reach the house limit, displaying the dice, and so forth. (Hint: Calculate the dots showing on each die with the expression dots=(int)(6.0randomnumber+1), where the random number is between 0 and 1.)arrow_forwardThe equation of a straight line is written as y = mx + b where m is the slope of the line and b is the value of y when x = 0. If there are two coordinate points of the line are given, then it is very easy to compute the line equation. Also you can find the distance between two points. Problem: Write a program to compute lines equation for a set of lines. The number of lines is read from the user. Each line is computed by generating two points randomly using Point2D API. In addition, distance between two points is computed. The program should display a table which include all information about each line. See sample runs below. Take into consideration: 1. Number of generated lines should be greater than zero. 2. Two point objects are constructed only once. Then just update the location of two points for each line using Point2D API methods. 3. x and y values of each point are generated randomly to be less than 100 and greater than 0. 4. Compute the distance between two points using…arrow_forward
- In various applications, you are often asked to compute the mean and standard deviation of data. The mean is simply the average of the numbers. The standard deviation is a statistic that tells you how tightly all the various data are clustered around the mean in a set of data. For example, what is the average age of the students in a class? How close are the ages? If all the students are the same age, the deviation is 0. Write a program that prompts the user to enter any number of values into a double array, and then calculates and displays the mean and standard deviations of these numbers using the following formulas: (z - mean) z+z3+ *** +zn deviation = mean = n-1 Required Methods You must write your program so that the following methods are defined/implemented and used (called): • /* Compute the deviation of double values */ public static double deviation (double[] x) • /* Compute the mean of an array of double values */ public static double mean (double[] x) Sample Run (user input…arrow_forwardWrite a program that calculates the equivalent resistance of a circuit. n electrical resistors with resistance values R1, R2,.., Rn are said to be connected in parallel if the same voltage is applied across each. Their equivalent resistance Reg is related to the values R1, R2, ..., Rn by: 1 1 1 1 + +...+ R R R, R. "eq Write a program that prompts the user to enter the resistance of n resistors. The user should be prompted continuously by using a while loop until a zero or negative value is entered (the program should count the number of resistors n entered by the user and store the values in an array). Use another separate loop to print the resistance values entered by the user and the equivalent resistance Reg. Test your program with R1= 1 kn, R2= 2 kn, R3= 4 kQ and R4= 8 kQ.arrow_forwardIn this assignment you will write a program that shows the valid moves of chess pieces. Your program will draw a board with 64 squares using the traditional layout, next ask the user to choose a move, and then, depending on the user's choice, redraw the board with the selected chess piece and its valid moves. Please see the examples of valid moves of chess pieces and the traditional chess board layout below:arrow_forward
- Python For this lab, you will use a tuple to represent a student record. A student record consists of the student’s name, year, and GPA. For example, (“John”, “Senior”, 3.7) is a record for John who is a senior with a 3.7 GPA. You will write a program that prompts the user for the number of records to enter. Then it reads input from the user for each record. Remember that each record consists of a student’s name, year, and GPA. It then prints the record of each student as shown below. Functions: You will write the following functions: read_records(n) Read n number of records and return a list of records. print_records(records) Takes in a list of records and print each one. main() Prompts the user for the number of records to read, get a list of records from the user, and print the records. Optional: print the average GPA of the students. Sample run: How many students record to enter: 2 Enter student's name: John Enter student's year: junior Enter…arrow_forwardIn this homework assignment, you are going to code a java program which uses random numbers to create a guessing game. This will give you practice with random numbers and loops while allowing you to explore and understand a little more Java code. You will also need to test out this program to ensure the correctness of the algorithm and code. You will need to develop test data that will represent all possible kinds of data that the user may enter. You are going to write a program that allows the user to play a simple guessing game in which your program thinks up an integer between 1 and 100 and allows the user to make guesses until the user gets it right. (The program also counts how many tries it took to get the correct number). For each incorrect guess you will tell the user whether the right answer is higher or lower. Your program is required to exactly reproduce the format and behavior of the log of execution. Program should output: (Sample user output written in bold) This program…arrow_forwardYour relative, who goes to primary school and has just learned the multiplication table, asks you to constantly ask him. You wanted to gamify it. The computer will randomly scan in the multiplication table and the user will write the answer on the screen. There will be 10 questions in total and at the end the number of questions, the number of correct answers and the number of wrong answers will be printed on the screen. Also, write a program that will print if the percentage of success is below 80, it remained, and if it was above, it passed. (On C# ConsoleApp(.Net Framework)arrow_forward
- f. A laborant in a laboratory does a number of antigen tests in one day. Write a program that simulates the number of antigen tests done in a day in a laboratory, displays the number of positives and negatives, and calculates the % of positives in one day. Your program needs to first generate a random number that will show the number of tests done in a day. One laboratory in a day cannot do more than 100 tests and less than 1 (they do at least one). Then for each of the tests, your program needs to generate a random number to show whether they are positive or negative. In order to write this program, you need to have the following three functions used by the main function: test result (void): This function generates a test result. It should randomly return either one or zero. 1 means positive test result and 0 means negative test result. float positive percentage (int,int) : This function takes the total number of positives and the total number of tests and returns the % of positives.…arrow_forwardWhen analyzing data sets, such as data for human heights or for human weights, a common step is to adjust the data. This can be done by normalizing to values between 0 and 1, or throwing away outliers. For this program, adjust the values by subtracting the smallest value from all the values. The input begins with an integer indicating the number of integers that follow. Ex: If the input is: 5 30 50 10 70 65 the output is: 20 40 0 60 55 The 5 indicates that there are five values in the list, namely 30, 50, 10, 70, and 65. 10 is the smallest value in the list, so is subtracted from each value in the list. For coding simplicity, follow every output value by a space, including the last one. 272772.1571588arrow_forwardThe Research team led by Bernadette Wolowitz at Cal-tech University has discovered a new Amoeba that grows in the order of a Fibonacci series every month. They are exhibiting this amoeba in a national. conference. They want to know the size of the amoeba at a particular time instant. If a particular month's index is given, write a program to display the amoeba's size. For Example, the size of the amoeba on month 1, 2, 3, 4, 5, 6,... will be 0, 1, 1, 2, 3, 5, 8.... respectively.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
C++ for Engineers and ScientistsComputer ScienceISBN:9781133187844Author:Bronson, Gary J.Publisher:Course Technology Ptr
C++ for Engineers and Scientists
Computer Science
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Course Technology Ptr
Java random numbers; Author: Bro code;https://www.youtube.com/watch?v=VMZLPl16P5c;License: Standard YouTube License, CC-BY