Python Programming: An Introduction to Computer Science
3rd Edition
ISBN: 9781590282779
Author: John Zelle
Publisher: Franklin Beedle & Associates
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Expert Solution & Answer
Chapter 8, Problem 1TF
Program Description Answer
The “while” loop is an indefinite loop in Python.
Hence, given statement is “False”.
Expert Solution & Answer
Explanation of Solution
“while” loop:
- The “while” loop is used to execute the code repeatedly, if the condition is satisfied. Otherwise, it exits the loop, and hence it is also called as indefinite or conditional loop.
- There is no guarantee about how many times the loop will execute.
- The syntax for “while” loop is as follows:
while condition:
# body
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Example in Java
Write and trace sentinel-controlled while loop.
Draw a flow chart for Do-While loop ( in c++ ) for controlled/uncontrolled infinite loop iterations.
For this question you must design and implement a postcondition loop in Python that will display the following numbers (one on each line) to the terminal:
29, 41, 53, 65, 77, 89, 101, 113, 125, 137, 149, 161, 173, 185, 197, 209, 221, 233, 245, and 257.
Although a counter-controlled loop is ideal for this task, you are not permitted to use a FOR loop in your program - you must use a postcondition loop that has been implemented using WHILE instead.Furthermore, your postcondition loop must be implemented using a Boolean flag variable.
Chapter 8 Solutions
Python Programming: An Introduction to Computer Science
Ch. 8 - Prob. 1TFCh. 8 - Prob. 2TFCh. 8 - Prob. 3TFCh. 8 - Prob. 4TFCh. 8 - Prob. 5TFCh. 8 - Prob. 6TFCh. 8 - Prob. 7TFCh. 8 - Prob. 8TFCh. 8 - Prob. 9TFCh. 8 - Prob. 10TF
Ch. 8 - Prob. 1MCCh. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 8 - Prob. 4MCCh. 8 - Prob. 5MCCh. 8 - Prob. 6MCCh. 8 - Prob. 7MCCh. 8 - Prob. 8MCCh. 8 - Prob. 9MCCh. 8 - Prob. 10MCCh. 8 - Prob. 2DCh. 8 - Prob. 3DCh. 8 - Prob. 1PECh. 8 - Prob. 2PECh. 8 - Prob. 3PECh. 8 - Prob. 4PECh. 8 - Prob. 5PECh. 8 - Prob. 6PECh. 8 - Prob. 7PECh. 8 - Prob. 8PECh. 8 - Prob. 9PECh. 8 - Prob. 10PECh. 8 - Prob. 11PECh. 8 - Prob. 12PECh. 8 - Prob. 13PE
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- For this question you must design and implement a precondition loop in Python that will display the following numbers (one on each line) to the terminal: 79, 92, 105, 118, 131, 144, 157, 170, 183, 196, 209, 222, 235, 248, 261, and 274. Although a counter-controlled loop is ideal for this task, you are not permitted to use a FOR loop in your program - you must use a precondition loop that has been implemented using WHILE instead.arrow_forwardIn C programming, For loop, do loop, while loop- is deterministic or non deterministic? Say for each.arrow_forwardLoops summary: for vs. while We have now seen that Python has two different loop constructs: the for loop and the while loop. The while loop is more powerful than the for loop, since it can be used in situations where the number of iterations isn't known in advance. For example, the following while loop answers the question: "If a population of bacteria increases in size by 21% every minute, how long does it take for the population size to double?" minutes = 0 population = 1000 growth_rate = 0.21 while population < 2000: population *= (1 + growth_rate) minutes += 1 print (f"{minutes} minutes required.") print (f"Population = {int(population)}") This would not be well suited to a for loop - we are trying to find out how many times the loop will run, and a for loop expects to know how many times it will run before it starts. In contrast, the for loop is a special case of the more general while loop, meaning that any program written with for loops can be rewritten to use while loops.…arrow_forward
- In PYTHONImplement the functions to realize a calculator for the 4 operations: +, - , *, / Each operation - Has 2 parameters (the operands) - Returns the result Operands are simple integer numbersarrow_forwardThe aim of this question is to ensure that you are able to write C language codethat carries out recursive computations by using loops. Before attempting to solvethis problem, please study the loop programming exercises on this link:https://codeforwin.org/c-programming/for-do-while-loop-programming-exercises. Write C program that will prompt the user for an integer n. If the user hasentered a non-integer, the user must be prompted again until he or she enters aninteger. If he enters non-integer numbers five times, the program must inform theuser the following message‘You have entered non-integers on five occasions, now the program is exiting”before coming to an end.On the other hand, if the user enters an integer n, the program must compute thesum of three consecutive factorials S=n!+(n+1)!+(n+2)! . Your program mustprint the resulting sum on the display.arrow_forwardImplement programs involving the use of while, do..while and for loop statement.arrow_forward
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Control Structures - while loop - do-while loop - for loop - Goto - break - continue statements; Author: EzEd Channel;https://www.youtube.com/watch?v=21l11_9Osd0;License: Standard YouTube License, CC-BY