AntonKueltz

from functools import reduce
from operator import mul

# pip install pycrypto
from Crypto.Util.number import getRandomNBitInteger, isPrime
from Crypto.PublicKey import RSA


def first_n_primes(n):
    primes = [2]

AntonKueltz

from time import sleep


class Cell:
    ALIVE = True
    DEAD = False

    def __init__(self, status):
        self.status = status

AntonKueltz

from random import choice

BOARD_SIZE = 5


class Node:
    def __init__(self):
        self.value = 0
        self.children = {}

AntonKueltz

class Board:
    WIDTH = 9
    HEIGHT = 9

    def __init__(self):
        self.squares = [
            [5, 3, None, None, 7, None, None, None, None],
            [6, None, None, 1, 9, 5, None, None, None],
            [None, 9, 8, None, None, None, None, 6, None],
            [8, None, None, None, 6, None, None, None, 3],

AntonKueltz

// empty.h
class Empty {
    // this class declares no members but still will implicitly have the 
    // below declared by the compiler (in the public scope)
    
    /*
    Empty(){...}                                // default constructor
    Empty(const Empty& rhs){...}                // copy constructor
    ~Empty(){...}                               // default destructor
    Empty& operator=(const Empty& rhs){...}     // copy assignment operator

AntonKueltz

// house.h
class House {
//copying a house doesn't make much sense so disallow use of copy functions
private:
    House(const House&);            // copy constructor
    House& operator=(const House&); // copy assignment
};

// main.cpp
int main(int argc, char * argv[]) {

AntonKueltz

// timeKeeper.h
class TimeKeeper {
public:
    TimeKeeper();
    ~TimeKeeper();  // note the virtual keyword is missing
};

// wristWatch.h
class WristWatch : public TimeKeeper {
  

AntonKueltz

#include <stdlib.h>
#include <vector>

class Bad {
public:
  ~Bad(){ throw 0; }
};

int main() {
  Bad b1, b2;

AntonKueltz

class Node:
    def __init__(self, key, data):
        self.next = None
        self.prev = None
        self.key = key
        self.data = data


class LinkedList:
    def __init__(self):

AntonKueltz

class Node:
    def __init__(self, data, prev, next):
        self.data = data
        self.prev = prev
        self.next = next


class DoubleLinkedList:
    def __init__(self):
        self.head = None