Define a recursive function createlntList for constructing a flat list of integers from a nested list of integers and strings. You are not allowed to use for loop or while loop. You should use isinstance(element, type) to check the type of an element. Examples: >>> createIntList([]) [] >>> createIntList([8, [2,3, [4]]]) [8, 2, 3, 4] >>> createIntList([9, "Python",[[5, '6']], [[-2],[3],[7]]]) [9, 5, -2, 3, 7] >>> x = createIntList ([[['9']]]) >>> X [] Answer: def createIntList(1st):

Define a recursive function createlntList for constructing a flat list of integers from a nested list of integers and strings. You are not allowed to use for loop or while loop. You should use isinstance(element, type) to check the type of an element. Examples: >>> createIntList([]) [] >>> createIntList([8, [2,3, [4]]]) [8, 2, 3, 4] >>> createIntList([9, "Python",[[5, '6']], [[-2],[3],[7]]]) [9, 5, -2, 3, 7] >>> x = createIntList ([[['9']]]) >>> X [] Answer: def createIntList(1st):

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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Exercise G -- Implement a function halves that takes a list of integers and divides each element of the list by two (using the integer division operator //) NOTE use the map function combined with a lambda expression to do the division with a neat solution halves : List Int -> List Int halves xs = [ ] --remove this line and implement your halves function here
Links Bing Remaining Time: 1 hour, 24 minutes, 17 seconds. * Question Completion Status: Р QUESTION 8 bbhosted.cuny.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_2271631_1&course_id=_2 Implement the following: 1) Define a function evenList() with an arbitrary parameter a. P 2) This function accepts any number of integer arguments. 3) evenList() stores all even numbers into a list and returns the list. 4) Call the function with 5, 6, 7, 8, 9, 10 as arguments. 5) Print the result of the function call. Make sure to precisely match the output format below. Write your code in the ANSWER area provided below (must include comments if using code is not covered in the course). Example Output [6, 8, 10] For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial QUESTION 9 Programs s 10pt Click Save and Submit to save and submit. Click Save All Answers to save all answers. く Ev Av
Exercise B: "Matrix Addition" For this exercise you will design and implement a function that takes two matrix arguments and computes their sum (if and only if a sum can actually be computed, returning an empty list otherwise). Two matrices can only be added together if they have exactly the same dimensions. If the dimensions are acceptable, then the matrix sum will have the same dimensions as either of the operands, and the value of each element in the matrix sum is itself the sum of the corresponding elements in the operand matrices. And although it does makes sense to test rectangularity before attempting addition, you need not perform this step (since you did it above). In order to complete this task, you will need to: ensure you know how matrix addition can be performed² ● Your submission for this exercise:
EXERCISE 1 Consider a function doubles :: Cint]Eint] that doubles every item in list doubles [3, 4,1,2] [6,8, 2,4] a) write a version doubles Rec using recursion for the aboe function
Python data structures: write a function that takes in a list (L) as input, and returns the number of inversions. An inversion in L is a pair of elements x and y such that x appears before y in L, but x > y. Your function must run in -place and implement the best possible algoritm of time complexity. def inversions(L: List) -> int:'''finds and returns number of inversions'''
struct remove_from_front_of_dll { // Function takes no parameters, removes the book at the front of a doubly // linked list, and returns nothing. void operator()(const Book& unused) { //// TO-DO (13) |||| // Write the lines of code to remove the book at the front of "my_dll", // // Remember, attempting to remove an element from an empty data structure is // a logic error. Include code to avoid that. ///// END-TO-DO (13) //// } std::list& my_dll; };
Write a findSpelling Function -PHP Write a function findSpellings($word, $allWords) that takes a string and an array of dictionary words as parameters. The function should return an array of possible spellings for a misspelled $word. One way to approach this is to use the soundex() Words that have the same soundex are spelled similarly. Return an array of words from $allWords that match the soundex for $word. I have most of the code. How do I append the $sound to the $mathcing array?
python wirte a function max_indexes(xs) that inserts a list xs with numbers and returns a list of indexpositions where the list has local maximum values. A local maximum value is a number in the list that has a smaller number before and after. for example in this list has a local maximum at position 2 and 7: [3, 4, 5, 2, 1, 0, 4, 6, 4, 2, 1] Here the function should return [2, 7]
Complete the reverse_list() function that returns a new string list containing all contents in the parameter but in reverse order. Ex: If the input list is: ['a', 'b', 'c'] then the returned list will be: ['c', 'b', 'a'] Note: Use a for loop. DO NOT use reverse() or reversed(). This is my code so far: def reverse_list(letters): for x in (letters): letters.sort(reverse=True) return lettersif __name__ == '__main__': ch = ['a', 'b', 'c'] print(reverse_list(ch)) # Should print ['c', 'b', 'a'] When submitting I get 4/10 and it says: Test input list ['a', 'b', 'c'] returns ['c', 'b', 'a'] Your output reverse_list() function reversed array incorrectly: ['c', 'b', 'a'] reverse_list() function should have returned: ['a', 'b', 'c'] Test input list ['a', 'b', 'c', 'd'], first element of returned list is ['d'] Your output First character of returned array should be a instead of d Test empty input array TypeError: object of type 'NoneType' has no len()
help me solve this in c++ please Write a program that asks the user to enter a list of numbers from 1 to 9 in random order, creates and displays the corresponding 3 by 3 square, and determines whether the resulting square is a Lo Shu Magic Square. Notes Create the square by filling the numbers entered from left to right, top to bottom. Input validation - Do not accept numbers outside the range. Do not accept repeats. Must use two-dimensional arrays in the implementation. Functional decomposition — Program should rely on functions that are consistent with the algorithm.
] ] get_nhbr In the cell below, you are to write a function called "get_nhbr(Ist, graph)" that takes in two inputs: a list of vertices and a graph. The function is to return a list that contains the neighborhood of the vertices in 'Ist' (remember that this means you are finding the union of the individual vertices' neighborhoods). + Code + Markdown After compiling the above cell, you should be able to compile the following cell and obtain the desired outputs. print (get_nhbr(["A", "D"], {"A" : ["B"], "B" : ["A", "D", "E"], "C" : ["E"], "D":["B"], "E":["B","C","F"], "F":["E"]}), get_nhbr(["B", "C", "F"], {"A" : ["B"], "B" : ["A", "D", "E"], "C" : ["E"], "D":["B"], "E":["B","C","F"], "F":["E"]})) This should return ["B"] ["A", "D", "E"] Python Python
Recursive Max! Write a recursive function rc_max(L:List[int]) -> int that takes a list L and returns an element with highest value in the list. For example, rc_max([1,2,3]) returns 3. Note that L is not necessarily sorted. You may assume that the input L is not empty. You cannot use the built-in max() Your Answer: 1 # Put your answer here 2 Submit