om method:def transfer_from (self, amount, to_account):self.withdraw (amount)to_account. deposit (amount)In the main function, assume we have the code below. If we want to transfer 100.00 fromacct2 to acct1, what new statement should we write?acct1 = BankAccount (123, 'Joe', ' Smith')acct1.deposit (500.00)acct2 = BankAccount (234,'Jane', 'Doe')acct2. deposit (500.00)O None of these O None of theseacct2.transfer_from(acct1, 100.00)O transfer_from(acct2, 100.00, acct2)acct2.transfer from (100.00, acct1)O acct1.transfer_from(100.00, acct2)DQuestion 30The deposit() method in our BankAccount class is a mutator method.O TrueO False

Detailed explanation: Let's break down the provided code and analyze each part in detail: def…

Answered: om method: def transfer_from (self,…

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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Complete the convert() function that casts the parameter from a float to an integer and returns the result.Note that the returned value of the convert() function is printed. Ex: If the float value is 19.9, then the output is: 19 Ex: If the float value is 3.1, then the output is: 3 this is what i have def largest_number(num1, num2, num3): if(num1 > num2 and num1 > num3): return num1 elif(num2 > num3): return num2 else: return num3 def smallest_number(num1, num2, num3): if(num1 < num2 and num1 < num3): return num1 elif(num2 < num3): return num2 else: return num3 if __name__ == '__main__': n1 = float(input()) n2 = float(input()) n3 = float(input()) print("largest:",largest_number(n1,n2,n3)) print("smallest:",smallest_number(n1,n2,n3)) it says Test convert() with random float value test_passed function missing Traceback (most recent call last): File "main.py", line 18, in <module> n1 = float(input()) EOFError: EOF when reading a line Your output Your…
Common Time Zones Function Name: commonTimeZones() Parameters: code1( str ) , code2( str ) Returns: list of common time zones ( list ) Description: You and your friend live in different countries, but you figure there's a chance that both of you might be in the same time zone. Thus, you want to find out the list of possible time zones that you and your friend could both be in. Given two country codes, write a function that returns a list of the time zones the two countries have in common. Be sure not to include any duplicate time zones. If the two country codes do not have any common time zones, return the string 'No Common Time Zones' instead. Note: You can assume that the codes will always be valid. example test cases: >>> commonTimeZones('can', 'usa') ['UTC-08:00', 'UTC-07:00', 'UTC-06:00', 'UTC-05:00', 'UTC-04:00'] >>> commonTimeZones('rus', 'chn') ['UTC+08:00'] For this assignment, use the REST countries API…
Common Time Zones Function Name: commonTimeZones() Parameters: code1( str ), code2( str) Returns: list of common time zones ( list ) Description: You and your friend live in different countries, but you figure there's a chance that both of you might be in the same time zone. Thus, you want to find out the list of possible time zones that you and your friend could both be in. Given two country codes, write a function that returns a list of the time zones the two countries have in common. Be sure not to include any duplicate time zones. If the two country codes do not have any common time zones, return the string 'No Common Time Zones' instead. Note: You can assume that the codes will always be valid. example test cases: >>> commonTimeZones('can', 'usa') [UTC-08:00', 'UTC-07:00', 'UTC-06:00', 'UTC-05:00', 'UTC-04:00] >>> commonTimeZones('rus', 'chn') [UTC+08:00] For this assignment, use the REST countries API (https://restcountries.com/#api-endpoints-v2). For all of your requests, make…
Recursion Tree How many levels in this recursion tree T(n) = 2T(n/3) + n? Use log2n for log2n. What is the cost of the first level of this recursion tree T(n) = 2T(n/3) + n? What is the cost of the second level of this recursion tree T(n) = 2T(n/3) + n? Use 3n/4 for 3n divided by 4. What is the cost of the third level of this recursion tree T(n) = 2T(n/3) + n? Use 3n/4 for 3n divided by 4.
Implement the Function has_error Implement the function according to the specification. Use the test script testcurrency.py to aid your development before checking your answer below. CANNOT USE IF/CONDITIONAL STATEMENTS Instead, you should use what you know about boolean expressions def has_error(json):"""Returns True if the response to a currency query encountered an error. Given a JSON string provided by the web service, this function returns True if thequery failed and there is an error message. For example, if the json is '{"success":false,"src":"","dst":"","error":"Source currency code is invalid."}' then this function returns True (It does NOT return the error message'Source currency code is invalid'). On the other hand if the json is '{"success": true, "src": "2 United States Dollars", "dst": "1.772814 Euros", "error": ""}' then this function returns False. The web server does NOT specify the number of spaces after the colons. The JSON '{"success":true, "src":"2 United…
Member Methods are: • To calculate and find Dearness Allowance (DA) - (DA - 30% of basic salary), • To calculate and find House Rent Allowance (HRA) (35% of basic salary in case the basic salary is > 400, otherwise it is 30% of basic salary), • To calculate and find Gross_salary (Basic + DA + HRA),
Usage: mortgagepmt [-s] -r rate [-d downpayment] price In this assignment, you are asked to do a mortgage payment calculation. All information needed for this will be passed to the program on the command line. There will be no user input during the execution of the program. You will need a few pieces of information. The price of the home and the amount of the down payment. You will also need to know the interest rate and the term of the mortgage. To figure your mortgage payment, start by converting your annual interest rate to a monthly interest rate by dividing by 12. Next, add 1 to the monthly rate. Third, multiply the number of years in the term of the mortgage by 12 to calculate the number of monthly payments you’ll make. Fourth, raise the result of 1 plus the monthly rate to the negative power of the number of monthly payments you’ll make. Fifth, subtract that result from 1. Sixth, divide the monthly rate by the result. Last, multiply the result by the amount you want to borrow.…
def division_calculator(a, b): ''' Question 4 You are asked to write a small division calculator, where you are taking 'a' as dividend and 'b' as the divider. You will need to return both the quotient and the remainder. Your returned result should be the: "a is divided by b, with the quotient equals 'quotient' and remainder equals 'remainder'" Note: You must use f-string to do this question. Args: a (int), b (int) Returns: string >>> division_calculator(3, 1) "3 is divided by 1, with the quotient equals 3 and remainder equals 0." ''' # print(division_calculator(9, 3))
Given what is supposed to be typed and what is actually typed, write a function that returns the broken key(s). The function looks like: findBrokenKeys (correct phrase, what you actually typed) Examples findBrokenKeys("happy birthday", "hawwy birthday") ["p"] findBrokenKeys ("starry night", "starrq light") ["y", "n"] findBrokenKeys ("beethoven", "affthoif5") ["b", "e", "v", "n"]
Brussel's choice def brussels_choice_step(n, mink, maxk): This problem is adapted from another jovial video "The Brussel's Choice" of Numberphile (a site so British that you just know there has to be a Trevor and a Colin somewhere in there) whose first five minutes you should watch to get an idea of what is going on. This function should compute and return the list of all numbers that the positive integer n can be converted to by treating it as a string and replacing some substring m of its digits with the new substring of either 2*m or m/2, the latter substitution allowed only when m is even so that dividing it by two produces an integer. This function should return the list of numbers that can be produced from n in a single step. To keep the results more manageable, we also impose an additional constraint that the number of digits in the chosen substring m must be between mink and maxk, inclusive. The returned list must contain the numbers in ascending sorted order.
Sum of two squares def sum_of_two_squares(n): Some positive integers can be expressed as a sum of two squares of some positive integers greater than zero. For example, 74 = 49 + 25 = 72 + 52. This function should find and return a tuple of two positive integers whose squares together add up to n, or return None if the parameter n cannot be broken into a sum of two squares. To facilitate the automated testing, the returned tuple must present the larger of its two numbers first. Furthermore, if some integer can be broken down to a sum of squares in several ways, return the breakdown that maximizes the larger number. For example, the number 85 allows two such representations 72 + 62 and 92 + 22 , of which this function must return (9, 2). The technique of two approaching indices that start from the beginning and end of a sequence, respectively, and approach each other until they meet somewhere, used in the function two_summers in one of our class examples, is directly applicable to this…
Sum of two squares def sum_of_two_squares(n): Some positive integers can be expressed as a sum of two squares of some positive integers greater than zero. For example, 74 = 49 + 25 = 72 + 52. This function should find and return a tuple of two positive integers whose squares together add up to n, or return None if the parameter n cannot be broken into a sum of two squares.To facilitate the automated testing, the returned tuple must present the larger of its two numbers first. Furthermore, if some integer can be broken down to a sum of squares in several ways, return the breakdown that maximizes the larger number. For example, the number 85 allows two such representations 72 + 62 and 92 + 22 , of which this function must return (9, 2).The technique of two approaching indices that start from the beginning and end of a sequence, respectively, and approach each other until they meet somewhere, used in the function two_summers in one of our class examples, is directly applicable to this…

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