Refine the is_palindrome function to work with arbitrary strings, by ignoring non-letter characters and the distinction between upper- and lowercase letters. For example, if the input string is "Madam, I'm Adam!" then you'd first strip off the last character because it isn't a letter, and recursively check whether the shorter string "Madam, I'm Adam" is a palindrome.
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- 3. Write a recursive function that ассepts 8x8 array of an characters that represents a maze. Each position can contain either an X or a blank. Starting at position (0,1), list any path through the maze to get to the location (7,7). Only horizontal and vertical moves are allowed. If no path exists, write a message indicating there is no path. Moves can be made only to the locations that contain a blank. If an X is encountered, that path is blocked and another must be chosen. [6]Need help writing a function, backwardString, that receives a string as an argument. backwardString should log every letter in the string, from the last character to the first. Use recursion. example javascript backwardString('happy') ; // y // p // p // a // hIn C++ Write a recursive function that displays a string reversely on the console using the following header:void reverseDisplay(const string& s) For example, reverseDisplay("abcd") displays dcba. Write a test programthat prompts the user to enter a string and displays its reversal.
- Create a recursive function in a file called ab_equality.py: def ab_equal(n, k, current): Print out all of the strings of a's and b's of length n so that the number of a's and b's are equal. For n = 2, there's ab and ba. For n = 3 there are no strings since they'd have to have 2 a's and 1 b, or 2 b's a 1 a so not equal. For n = 4, there will be 6 of these strings, and for n = 5, zero again. Hint: use k to track the difference between a's and b's. So for instance if your current is aaabb then k should be equal to either 1 or -1 (your choice depending). When you call the function, you should call it from your main or testing function with the length in the n parameter, 0 should be put into the k parameter, and then an empty string will be passed in for current.Q4. Write a program that read 2 matrices and has a function which finds their sum. Q5. Write a program that read 2 matrices and has a function which finds their multiplication. Q6. Write a program that handles a list of numbers where it has the following functions - Function that finds their average and sum - Function that finds their maximum and minimum - Function that search for a given number in that list. - Function that count the occurrence of a given number in that list. Then the program should do the following: - Read the list - Find the average and the sum of that list - Find the minimum and the maximum of that list - Count the occurrence of a given number in that list./** * PROBLEM 3: The following function draws miskey mouse, if you call it like * this from main: * * draw (.5, .5, .25); * * Change the code to draw piskey moose instead. Your solution should be * recursive. * Before picture: * http://fpl.cs.depaul.edu/jriely/ds1/images/MickeyMouse.png After picture: * http://fpl.cs.depaul.edu/jriely/ds1/images/MickeyMoose.png * You may not use any "fields" to solve this problem (a field is a variable * that is declared "outside" of the function declaration - either befor * or after). */ public static void draw (double centerx, double centery, double radius) { // TODO if (radius < .e005) return; StdDraw.setPenColor (StdDraw.LIGHT_GRAY); StdDraw. filledCircle (centerx, centery, radius); StdDraw.setPencolor (StdDraw.BLACK); StdDraw.circle (centerx, centerY, radius); double change = radius * 0.90; StdDraw.setPencolor (StdDraw.LIGHT_GRAY); StdDraw.filedCircle (centerx + change, centery + change, radius / 2); StdDraw.setPenColor (StdDraw.BLACK);…
- Write a recursive function that displays a string reversely on the console using the following header: def reverseDisplay(value):For example, reverseDisplay("abcd") displays dcba. Write a test programthat prompts the user to enter a string and displays its reversal.Q6 In Python implement a recursive function named test() that accepts an integer parameter. If the parameter value is even then the test function should divide the parameter value by 2 and return this value. If the parameter value is odd, then the function should return 3 times the parameter value + 1. Then request a user to enter an integer number and recursively call converge() on that number until the function returns the value 1.Q 3. Write a recursive function which compares two strings lexicographically, without using any predefined string functions from header file. Lexicographical order means alphabetical order as present in a dictionary, where a string which is greater - appears later in the dictionary. Also write main () function. It returns -1 if string 1 is smaller than string 2 It returns 1 if string 1 is greater than string 2 It returns 0 if both the strings are equal. For example: Programming Language :- C If string 1 is "madan" and string 2 is "madams" it returns 1 If string 1 is "aaaaba" and string 2 is "aaaabz" it retruns -1 If string 1 is "abzdefz" and string 2 is "abzca" it returns 1
- PYTHON: create a function code(n) that sorts a list of words alphabetically using a RECURSIVE function. tip: a. check if the length of n = 1, if true, return n and stop b. else, if the length of n >= 1, do the ff: c. get the min(x) (least rank word in alphabetical order) d. create a new array from n, where the min is removed. The new array is m. e. return the array composed of the min + code(m).def removeMultiples(x, arr) - directly remove the multiples of prime numbers (instead of just marking them) by creating a helper function. This recursive function takes in a number, n, and a list and returns a list that doesn’t contain the multiples of n.def createList(n) - a recursive function, createList(), that takes in the user input n and returns an array of integers from 2 through n (i.e. [2, 3, 4, …, n]). def Sieve_of_Eratosthenes(list) - a recursive function that takes in a list and returns a list of prime numbers from the input list.Template below: def createList(n): #Base Case/s #ToDo: Add conditions here for base case/s #if <condition> : #return <value> #Recursive Case/s #ToDo: Add conditions here for your recursive case/s #else: #return <operation and recursive call> #remove the line after this once all ToDo is completed return [] def removeMultiples(x, arr): #Base Case/s #TODO: Add conditions here for your…Write a recursive function that displays a string reversely on the console using the following header: void reverseDisplay(const string& s) For example, reverseDisplay("abcd") displays dcba. Write a test program that prompts the user to enter a string and displays its reversal.