only_evens ( [1, 2, 3]) >>> [2] only_evens([1, 5, 3]) [] only_evens ( [4, 4, 4]) [4, 4, 4] >>> >>>
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in python
create function that returns even numbers in a list form
must only use while loop and if built-in
cannot use anything else such as split, splice, sort!
cannot use for in statements!
must return a list!
![>>> only_evens([1, 2, 3])
[2]
>>> only_evens([1, 5, 3])
[]
>>> only_evens ( [4, 4, 4])
[4, 4, 4]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F35f4b595-d928-45ae-840b-c8dee3731637%2Fbcb68211-671a-4f8f-bb2c-cb33af5003e7%2Fvbod4ug_processed.png&w=3840&q=75)
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- C++ PROGRAMMINGTopic: HashTable - PolyHash Quadratic Explain the c++ code below.: SEE ATTACHED PHOTO FOR THE PROBLEM INSTRUCTIONS It doesn't have to be long, as long as you explain what the important parts of the code do. (The code is already implemented and correct, only the explanation needed). You can also explain line by line for an upvote, thanks. EXPLAIN THE CODE BELOW: #include <cstdlib> #include <math.h> #include <cstring> #include <iostream> using namespace std; class HashTable { string* table; int N; int count; // TODO: Polynomial Hash Code using a=7 int hash_code(string key) { int code; int hash = 0; for (int i = 0; i < key.size(); i++) { char ch = key[i]; code += ((ch - 96) * pow(7, key.size() - (i + 1))); } return code; } // TODO: This hash table uses a MAD compression function // where a = 11, b = 461, p = 919 int compress(int code) { return (((11*code)+461) % 919) % N; }…* Assignment: Word operations * * Description: * This assignment asks you to implement common word operations that are * not available in the Scala programming language. The intent is to practice * your skills at working with bits. * */ package wordOps /* * Task 1: Population count (number of 1-bits in a word) * * Complete the following function that takes as parameter * a 32-bit word, w, and returns __the number of 1-bits__ in w. * */ def popCount(w: Int): Int = ??? /* * Task 2: Reverse bit positions * * Complete the following function that takes as parameter * a 16-bit word, w, and returns a 16-bit word, r, such that * for every j=0,1,...,15, * the value of the bit at position j in r is equal to * the value of the bit at position 15-j in w. * */ def reverse(w: Short): Short = ??? /* * Task 3: Left rotation * * Complete the following function that takes two parameters * * 1) a 64-bit word, w, and *…Stacks 1- Write a Python function that takes a user input of a word and returns True if it is a Palindrome and returns False otherwise (Your function should use a Stack data structure). A palindrome is a word that can be read the same backward as forward. Some examples of palindromic words are noon, civic, radar, level, rotor, kayak, reviver, racecar, redder, madam, and refer. 2- Write a Python function that takes a stack of integer numbers and returns the maximum value of the numbers in the stack. The stack should have the same numbers before and after calling the function. 3- Write a main function that tests the functions you wrote in 1 and 2 above and make sure that your code is well documented.
- C++ A matrix is a rectangular array of numbers that is arranged in a two-dimensional table. Matrices have numerous applications in computer systems. Matrix structures are examined in computer memory, graphics, and cryptography. The Hill cipher, for example, makes use of matrix inversions to encrypt and decrypt data. The intent of this problem is to develop a C++ program that computes and displays the inversion of a 2 x 2 matrix. A matrix is said to have the dimensions m x n if it has m rows and n columns. A square matrix has the same number of rows as columns, and is therefore said to have m x m dimensions. Matrix M shown below is an example of a 2 x 2 matrix. The inverse of a square matrix, M-1, is defined by the equation M(M-1) = I, where I is called the identity matrix. I is a square matrix that is all zeros except for ones along the main diagonal from the upper left corner to the lower right corner. I for a 2 x 2 matrix is: Multiplying a square matrix by its inverse will always…In this unit, you will make 3 capabilities: primary(): Call print_stack() and afterward call f1(10). f1(unsigned int): Call print_stack(). Characterize a nearby string containing "ABCD". Call f2() passing the string variable as its boundary. do as quickly as possible f2(char*): Call print_stack(). Moreover, characterize a full scale OFFSET=32 in this unit and utilize that full scale instead of the offset boundary at whatever point you call print_stack(). This assists you with testing your code utilizing various counterbalances without transforming it all through your code. Ensure the code arranges and there should be no mistakes. I need to see the full result in the terminal running, so I realize that the code arranges..Caesars Cypher in C programming language How do you program an encryption and decryption for a Caesars Cypher that covers all the possible ASCII characters? In this there should be a shift over K = 5 but the example below is K = 3. This should result in actual character and not the control ASCII represenations. For example: >>> $ encrypt(I have a key)N%mf{j%f%pj~>>> $ encrypt(see me at 3)xjj%rj%fy%8>>> $ decrpyt(|jfw%ns%gqzj)wear in blue Assume that the text parsing method has been succesful and it's the encryption/decryption of the char array that needs to be factored. Formula Encryption -> C = E(k, P) = (P + k) (mod 26) Decryption -> P = D(k, C) = (C - k) (mod 26) Where k = 5
- (True/False): Local variables are created by adding a positive value to the stack pointerC++ ProgrammingTopic: Stack, Ques and DequesBelow is the initial program of the main file, only modify the main file, sllstack file also provided. See attached photo for instructions. main.cpp #include <iostream> #include <cstring> #include "sllstack.h" using namespace std; int main(int argc, char** argv) { SLLStack* stack = new SLLStack(); int test; string str; cin >> test; switch (test) { case 0: getline(cin, str); // PERFORM SOLUTION TO BRACKETS PROBLEM HERE // FYI: Place your variable declarations, if any, before switch. break; case 1: stack->push('a'); stack->push('b'); stack->push('c'); cout << stack->pop() << endl; cout << stack->pop() << endl; cout << stack->pop() << endl; cout << stack->isEmpty() << endl; break;…Look at this stack frame: Fill in the data types for the following procedure: SomeSub PROC, LOCAL val1: , LOCAL val2: , LOCAL val3: , LOCAL val4:
- (C Language) The Fibonacci sequence begins with 0 and then 1 follows. All subsequent values are the sum of the previous two, for example: 0, 1, 1, 2, 3, 5, 8, 13. Complete the Fibonacci() function, which takes in an index, n, and returns the nth value in the sequence. Any negative index values should return -1.Write a function to sort strings in dictionary order. Example: Giving 'C programming', 'Java', 'CIS-1007', 'University'. The output in dictionary order should be: "C programming" "CIS-1007" "Java" "University" Note: You might ask the user to give the number of the input strings. You might need to use multidimensional arrays to store these strings. Note: You are NOT ALLOWED to use any built-in library EXCEPT stdio.h.a) Write a c++ program which contains a function isPalindrome, the function checks a stringusing pointers whether it is a palindrome or not and based on the decision return Ture orFalse. A string/word that reads the same backwards as forward is known as palindrome.E-g MADAM , POP , BOB etcb) Write a program that takes a char array (char *) that take your name as input, a charpointer point it and convert lower to upper and vice versa.
