Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 4, Problem 16PE
Turtle Graphics: Repeating Squares
In this chapter, you saw an example of a loop that draws a square. Write a turtle graphics 
Figure 4-13 Repeating squares
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Python Turtle Graphics
Draw a spiral diagram using Python turtle package program follows 3 steps:
Import the turtle module
Create a turtle to control.
Draw around using the turtle methods.
You should consider the following points in your solution:
The shapes should be drawn with the shown colors
Yellow and white for the square-like shapes.
Blue for the background.
The prompt should have a turtle shape.
The number of iterations should be 300
You should use only one loop.
The number of the yellow color lines should be 200.
The final shape of the output should be as shown in the picture attached.
Make sure to set properly the starting position (x & y) of your drawing, to maintain the required diagram.
video on youtube:
https://www.youtube.com/watch?v=ZqoJD2RMu1I
Text Rectangle. Create a program that draws a rectangle in text mode given the dimensions provided by the user. Attached is a sample of the execution of the program.
Hint: Use a loop and the repetition operator to create the rectangle.
5.PYTHON Programming language
Turtle Graphics: Hypnotic Pattern Use a loop with the turtle graphics library to draw the design
shown. Use named constants and inputs from the user. Perform input validation of the user inputs. • Set
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dot counter at the the start and top right corner every three squares (constant) • Ask user to input a number
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Chapter 4 Solutions
Starting Out with Python (4th Edition)
Ch. 4.1 - What is a repetition structure?Ch. 4.1 - What is a condition-controlled loop?Ch. 4.1 - What is a count-controlled loop?Ch. 4.2 - What is a loop iteration?Ch. 4.2 - Does the while loop test its condition before or...Ch. 4.2 - How many times will 'Hello world' be printed in...Ch. 4.2 - What is an infinite loop?Ch. 4.3 - Rewrite the following code so it calls the range...Ch. 4.3 - What will the following code display? For number...Ch. 4.3 - What will the following code display? for number...
Ch. 4.3 - What will the following code display? for number...Ch. 4.3 - What will the following code display? for number...Ch. 4.4 - Prob. 13CPCh. 4.4 - Should an accumulator be initialized to any...Ch. 4.4 - What will the following code display? total - 0...Ch. 4.4 - What will the following code display? number 1 =...Ch. 4.4 - Rewrite the following statements using augmented...Ch. 4.5 - Prob. 18CPCh. 4.5 - Why should you take care to choose a distinctive...Ch. 4.6 - What does the phrase garbage in, garbage out mean?Ch. 4.6 - Give a general description of the input validation...Ch. 4.6 - Describe the steps that are generally taken when...Ch. 4.6 - Prob. 23CPCh. 4.6 - If the input that is read by the priming read is...Ch. 4 - A_________-controlled loop uses a true/false...Ch. 4 - A _____-controlled loop repeats a specific number...Ch. 4 - Each repetition of a loop is known as a(n) a cycle...Ch. 4 - The while loop is a _______ type of loop. a....Ch. 4 - A(n) ______ loop has no way of ending and repeats...Ch. 4 - The -= operator is an example of a(n) _________...Ch. 4 - Prob. 7MCCh. 4 - A(n) ____________ is a special value that signals...Ch. 4 - Prob. 9MCCh. 4 - The integrity of a programs output is only as good...Ch. 4 - The input operation that appears just before a...Ch. 4 - Validation loops are also known as _________. a....Ch. 4 - A condition-controlled loop always repeats a...Ch. 4 - The while loop is a pretest loop.Ch. 4 - The following statement subtracts 1 from x: x = x ...Ch. 4 - It is not necessary to initialize accumulator...Ch. 4 - In a nested loop, the inner loop goes through all...Ch. 4 - To calculate the total number of iterations of a...Ch. 4 - The process of input validation works as follows:...Ch. 4 - What is a condition-controlled loop?Ch. 4 - What is a count-controlled loop?Ch. 4 - What is an infinite loop? Write the code for an...Ch. 4 - Why is it critical that accumulator variables are...Ch. 4 - What is the advantage of using a sentinel?Ch. 4 - Prob. 6SACh. 4 - What does the phrase garbage in, garbage out mean?Ch. 4 - Give a general description of the input validation...Ch. 4 - Write a while loop that lets the user enter a...Ch. 4 - Write a while loop that asks the user to enter two...Ch. 4 - Write a for loop that displays the following set...Ch. 4 - Write a loop that asks the user to enter a number....Ch. 4 - Write a loop that calculates the total of the...Ch. 4 - Rewrite the following statements using augmented...Ch. 4 - Write a set of nested loops that display 10 rows...Ch. 4 - Write code that prompts the user to enter a...Ch. 4 - Write code that prompts the user to enter a number...Ch. 4 - Bug Collector The Bug Collector Problem A bug...Ch. 4 - Calories Burned Running on a particular treadmill...Ch. 4 - Budget Analysis Write a program that asks the user...Ch. 4 - Distance Traveled The distance a vehicle travels...Ch. 4 - Average Rainfall Write a program that uses nested...Ch. 4 - Celsius to Fahrenheit Table Write a program that...Ch. 4 - Pennies for Pay Write a program that calculates...Ch. 4 - Sum of Numbers Write a program with a loop that...Ch. 4 - Ocean Levels Assuming the ocean's level is...Ch. 4 - Tuition Increase At one college, the tuition for a...Ch. 4 - Weight Loss If a moderately active person cuts...Ch. 4 - Calculating the Factorial of a Number In...Ch. 4 - Population Write a program that predicts the...Ch. 4 - Prob. 14PECh. 4 - Prob. 15PECh. 4 - Turtle Graphics: Repeating Squares In this...Ch. 4 - Turtle Graphics: Star Pattern Use a loop with the...Ch. 4 - Turtle Graphics: Hypnotic Pattern Use a loop with...Ch. 4 - Turtle Graphics: STOP Sign In this chapter, you...
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- Turtle Drawing with Loops Objective: To make a drawing using turtle graphics and nested loops Requirements: -Your program should ask the user at least two questions, and use the answers to help make the drawing. -Your program must have at least one pair of nested loops (a loop inside of a loop) to do some of the drawing -Your drawing cannot be made up only of rotated polygons coming from the center of the screen like we did in class. -Please write a new program for this assignment - don't use code from any in-class exercises. -For example, your program could draw a field of flowers, or you could draw a repetitive square pattern like you might see on a rug.arrow_forwardPython Coding-While Loops (In PyCharm Community edition) Create a while loop that SUMS up ALL the numbers given from an initial number and an ending number. Example would be : Input1 : What is the first number? 0 Input2 : What is the last number? 3 DO NOT SHOW but these are the computations inside the code : 0 + 1 + 2 + 3 = 6 This is the Output : The sum of all the number from 0 to 3, is 6 In the code you are going to use a total variable and add each additional time it runs through the loop to that total. REMEMBER the assignment from the first unit of programming where we used this formula : BUT you are going to create your own method using a while loop to emulate what formula accomplishes WITHOUT using this formula. The user will put in the first number and the last to be SUMMED - you will use the while loop to calculate all of the additions leading to the final number.arrow_forwardNesting Loops Summary In this lab, you add nested loops to a Java program provided. The program should print the letter E. The letter E is printed using asterisks, three across and five down. Note that this program uses System.out.print("*"); to print an asterisk without a new line. Instructions Write the nested loops to control the number of rows and the number of columns that make up the letter E. In the loop body, use a nested if statement to decide when to print an asterisk and when to print a space. The output statements have been written, but you must decide when and where to use them. Execute the program. Observe your output. Modify the program to change the number of rows from five to seven and the number of columns from three to five. What does the letter E look like now?arrow_forward
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