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from collections import deque

def compare(a, b):
  return -1

def sort_horizontal_axis(matrix):
  result = sorted(matrix, lambda a,b : -1)
  return result

def sort_horizontal_axis_lambda(matrix):

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import math

def fib(n):
    return int(round(pow(((1 + math.sqrt(5)) / 2), n) / math.sqrt(5)))
  
# complexity O(n)
# space O(n)

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function checkIfIsPowerOfTwoOrReturnPrevious(number) {
  var previousNumber = number
  number = number | (number >> 1);
  number = number | (number >> 2);
  number = number | (number >> 4);
  number = number | (number >> 8);
  number = number | (number >> 16);
  var result = number - (number >> 1);
  if (result === previousNumber) {
    result = true

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/*
  pure functions are those that:
      - are syncronous
      - same input returns same output
      - do not have collateral damage (change values from different scopes)
*/

//Examples of pure functions

function (a, b) {

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var location1 = new google.maps.LatLng(34.04429454929703, -118.22793351693724);
      var location2 = new google.maps.LatLng(33.688522885631706, -116.15151750131224);

      var location3 = new google.maps.LatLng(32.69561555501597, -117.06338273568724);
      var location4 = new google.maps.LatLng(34.525395303965354, -117.27212297006224);

      var map;
      var mapOptions = { center: new google.maps.LatLng(42.5584308, -70.8597732), zoom: 3,
        mapTypeId: google.maps.MapTypeId.ROADMAP };

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//exec with node.js
this.me = 'context file:';
var names = ["José", "Alfredo", "Ernesto"];

var person = {
	me: 'context person:',
	greet: function () {
		names.forEach(function (name) {
			console.log(this.me, 'saying hello to', name); // this print: undefined saying hello to ${name}
		});

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function isCommonFactorOf(arrayOfNumbers, factor) {
	var numbers = arrayOfNumbers;
	var length = numbers.length;

	var minor = 0;
	for (let i=0; i < length; i++) {
		let number = numbers[i];
		if (i===0 || number < minor) {
			minor = number;
			if (factor > minor) {

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function getCommonFactorsOf(arrayOfNumbers) {
	var numbers = arrayOfNumbers;
	var length = numbers.length;

	var minor = 0;
	for (let i=0; i < length; i++) {
		let number = numbers[i];
		if (i===0 || number < minor) {
			minor = number;
		}

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function getFactorsOf(number) {
	
	var factors = [];
	var factor = 1;
	var stopped = false;
	
	while (stopped != true) {
		if (number % factor === 0) {
			let a = number / factor;
			let b = factor;