find the regular expression for L={vwv:v,w∈{a,b}*,|v|<=4}?
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find the regular expression for L={vwv:v,w∈{a,b}*,|v|<=4}?
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- this information only don;t rejectImplement 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…Inside this module, import random and blackout_utils, and define the following global variable, which you should use whenever appropriate: OPERATIONS = ['^', 'x', '/', '+', '-']For full marks, all the following functions must be part of this module: calculate(tokens): Takes one list of tokens as input corresponding to a mathematical equation. The function will evaluate both sides of the equality and return a list of three tokens: the result of the left-hand side (integer), the equals sign (string), and the result of the right-hand side (integer). The equation may contain any of the operations in the OPERATIONS list, as well as opening and closing parentheses. Your function should evaluate both sides of the equation while respecting order of operations (that is, parentheses, followed by exponentiation, then multiplication and division, and then addition and subtraction). Equations may have multiple sets of parentheses and nested parentheses. The contents of the inner-most nested…
- Ex: Let A1 ={x, y}, A2 ={1, 2}, and A3 ={a, b}, Find A1 × A2, (A1 × A2) × A3, A1 × A2 × A3.In C programming language. Objectives:• Use of functions and passing by value and reference.• Use of selection constructs.• Use of repetition constructs (loops).• The use of the random number generator and seeding.• Display formatted output using input/outputstatements.• Use format control strings to format text output. Description: For this project you are tasked with building a user application that will select sets of random numbers. Your application must use functions and pass values and pointers. Your program will pick sets of 6 random numbers with values of 1 to 53. The user should be able to choose how many sets to produce. The challenge will be to ensure that no number in a set of 6 numbers is a repeat. The number can be in another set just not a duplicate in the same set of 6. Your program should prompt the user and ask them how many number sets they wish to have generated. The program should not exit unless the user enters a value indicating they wish to quit. Minimum…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),
- Which of the following statements about functional-style programming is false? With functional-style programming capabilities you can write code that is more concise, clearer and easier to debug (find and correct errors). The min and max functions are examples of a functional-style programming concept called reduction. They reduce a collection of values to a single value. Other reductions you’ll see include the sum, average, variance and standard deviation of a collection of values. All reductions are built into Python—you cannot define custom reductions.Nationality. Prove the function works by testing it 2. BLACKJACK: Sample two cards from a "deck of cards" (ace, 2-10, jack, queen, king). Find the total of the two cards (ace counts as 11 and facecards count as 10). If the total is 21 print "BLACKJACK!" otherwise print "Try again". Keep drawing pairs of two cards until you get blackjack. Set your seed to 30 at the start of this problem ? Write 2 that ohe to frame for NAe If NA is found it should replace NA with theIn the language R: Which of the following statements is NOT correct about picking colors for your figures? Select one: The scale_fill_manual() function allows us to define different gradient colors for lower or higher numerical values We should pick a graded color scheme for an ordered categorical variable (e.g., level of education) We should pick distinct colors for an unordered categorical variable (e.g., country, gender…) We should pick colors based on their ability to express the data we are plotting
- Auto-graded programming assignments may use a Unit test to test small parts of a program. Unlike a Compare output test, which evaluates your program's output for specific input values, a Unit test evaluates individual methods to determines if each method: is named correctly and has the correct parameters and return type • calculates and returns the correct value (or prints the correct output) This example lab uses multiple unit tests to test the kilo ToPounds() function. Complete a program that takes a weight in kilograms as input, converts the weight to pounds, and then outputs the weight in pounds. 1 kilogram = 2.204 pounds (lbs). Ex: If the input is: 10 the output is: 22.040000000000003 lbs Note: Your program must define the method public static double kiloToPounds (double kilos) The program below has an error in the kilo ToPounds() method. 1. Try submitting the program for grading (click "Submit mode", then "Submit for grading"). Notice that the first two test cases fail, but the…need typed answer otherwise you will get downvotesql function related question! Hi, I need to create a function that accepts officer_id and returns the keyword Active or Inactive. If officer_id exists in the system it finds the status of either A or I.(nested if) if the officer is active(a) then based on the last digit of badge number, if last digit is between 0-5 it returns 'ACTIVE ON DESK'. else if the last digit of badge number is greater than 5, it returns 'ACTIVE ON DUTY' If officer is inactive(I ), it returns Inactive. If officer_id does not exist, it returns 'not existing officer'Please help me with this!