LAB RESTRICTIONS, PLEASE READ:Do not add any imports, the ones that you need will be given to you.You may not use any lists or list methods, or any while loops.Within your loops, you MUST NOT use any break or continue statements.Please also do not use try-except statements, you should be able to anticipateor prevent any errors from happening at all! Edef sum string(string: str) -> int:Given a string , return the sum of this string, as computed by theformula given below:To compute the sum of a string as defined by this function, we add everyodd positioned digit, and subtract every even positioned digit. For example,if we had an input of "54321", we would add 5, subtract 4, add 3, subtract2, and add 1, bringing us to a total of 3. In other words, you would add thefirst digit, subtract the second digit, and keep alternating until you reachthe end of the string. If the string is empty, then the sum is 0.Note: since we give the input as a string, you will have to do some typeconversion in order to solve this problem.Precondition: will only contain the characters 0-9.pass

ALGORITHM:- 1. Traverse the string. 2. For each even index add the number. 3. For each odd index…

Answered: def sum_string (string: str) -> int:…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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• Use a while loop • Use multiple loop controlling conditions • Use a boolean method • Use the increment operator • Extra credit: Reuse earlier code and call two methods from main Details: This assignment will be completed using the Eclipse IDE. Cut and paste your code from Eclipse into the Assignment text window. This is another password program. In this case, your code is simply going to ask for a username and password, and then check the input against four users. The program will give the user three tries to input the correct username-password combination. There will be four acceptable user-password combinations: • alpha-alpha1 • beta-beta1 • gamma-gamma1 • delta - delta1 If the user types in one of the correct username-password combinations, then the program will output: "Login successful." Here are a couple of example runs (but your code needs to work for all four user-password combinations): Username: beta Type your current password: beta1 Login successful. Username: delta Type…
Write a loop that runs 10 times. Note: You are not required to put anything inside the loop body.
Do not add any imports. You may not use any lists or list methods or any while loops. You must not use any break or continue statements. Please do not use try-except statements
Python task: Task OverviewYour task is to implement a variation of the classic word game Hangman, which involves playersguessing the letters in a word chosen at random with a finite number of guesses. While there arealternate versions such as category Hangman and Wheel of Fortune, which involve playersguessing idioms, places, names and so on, we will be sticking with the traditional version.If you are unfamiliar with the rules of the game, please read the following before starting:http://en.wikipedia.org/wiki/Hangman_(game). You can also play an online version here. Don’tbe intimidated - You’ll be given some skeleton code to get you started, it's easier than it looks! You will implement a function called main that allows users to play an interactive hangman gameagainst the computer. The computer should pick a word, and players should then try to guess lettersin the word until they win or run out of guesses.Here is the overarching behaviour we expect:1. The program should load a list of…
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
Debugging: Find the error if there's any and rewrite
def find_index(self, value): Finds the index of the given value in the data list. Returns either the index of the item in the list, or None if the item doesn't exist. Keeps track of the number of comparisons between value and items in the list via self.comparisons. For example, you don't need to count any index comparisons you might make as part of a while statement. # Counter for how many comparisons are done is set to zero self.comparisons = 0 # Loop through each item in the self.data list # Add one to comparisons for each comparison #involving a list element # If the item is equal to our search value # return the index this item is at # If we loop through everything and haven't found. # the item, return None
A for construct is a kind of loop that operates on items included in a list. Because of this, it continues to operate for as long as there are objects to be processed in the system. Is this statement correct or does it include an error?
This test can only be taken once. Force Completion This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Your answers are saved automatically. • Show Timer ¥ Question Completion Status: QUESTION 1 What is the difference between a while loop and a do-while loop? O while loop checks the condition before the loop begins, whereas the do-while loop executes the body at least once before checking the condition. O while loop is used for counter-controlled and do-while, is used for a sentinel loop. O while loop is used for selection controlled and do-while is used for an infinite loop. O while loop is used for endless controlled control and do-while, is used for counter-controlled loop. Save All Ans Click Save and Submit to save and submit. Click Save All Answers to save all answers. DELL
It is possible to create a for loop that processes a list of things. Consequently, it continues to operate as long as there are objects to be processed by the system. Is this statement correct or incorrect?
Create a class name AddAgain for do-while loop that asks the user to enter two The numbers should be added and the sum displayed. The loop should ask the user whether he or she wishes to perform the operation again. If so, the loop should repeat; otherwise it should terminate.
A for construct is a loop that processes a list of items. As a consequence, it continues to run as long as there are items to process. Is this statement true or false?

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