ChousinRahit

// Your task in order to complete this Kata is to write a function which formats a duration, given as a number of seconds, in a human-friendly way.

// The function must accept a non-negative integer. If it is zero, it just returns "now". Otherwise, the duration is expressed as a combination of years, days, hours, minutes and seconds.

// It is much easier to understand with an example:

// formatDuration(62)    // returns "1 minute and 2 seconds"

ChousinRahit

// Change Every Letter to the Next Letter
// Write a function that changes every letter to the next letter:

// "a" becomes "b"
// "b" becomes "c"
// "d" becomes "e"
// and so on ...

// move("hello") ➞ "ifmmp"

ChousinRahit

// Reverse Words in a String

// Given an input string, reverse the string word by word, the first word will be the last, and so on.

// Examples

// reverseWords(" the sky is blue") ➞ "blue is sky the"

// reverseWords("hello   world!  ") ➞ "world! hello"

ChousinRahit

// Extend the Vowels

// Create a function that takes a word and extends all vowels by a number num.

// extendVowels("Hello", 5) ➞ "Heeeeeelloooooo"

// extendVowels("Edabit", 3) ➞ "EEEEdaaaabiiiit"

// extendVowels("Extend", 0) ➞ "Invalid"

ChousinRahit

// Move Capital Letters to the Front

// Create a function that moves all capital letters to the front of a word.

// Examples

// capToFront("hApPy") ➞ "APhpy"

// capToFront("moveMENT") ➞ "MENTmove"

ChousinRahit

// Hiding the Card Number

// Write a function that takes a credit card number and only displays the last four characters.
//  The rest of the card number must be replaced by ************.


// Examples
// cardHide("1234123456785678") ➞ "************5678"

// cardHide("8754456321113213") ➞ "************3213"

ChousinRahit

// https://edabit.com/challenge/Mc6Xi4PRw7fDzeMDB

// Create a function that takes a string and returns a string in which each character is repeated once.

// Examples

// doubleChar("String") ➞ "SSttrriinngg"

// doubleChar("Hello World!") ➞ "HHeelllloo  WWoorrlldd!!"

ChousinRahit

// Longest Word
// Write a function that finds the longest word in a sentence and returns it.
// If two or more words are the biggest, return the word closest to the start of the sentence.
// Characters such as apostrophe, commas, periods, etc count as letters (e.g.O'Connor is 8 characters long).

// Examples
// longestWord("Hello darkness my old friend") ➞ "darkness"

// longestWord("Hello there mate") ➞ "Hello"

ChousinRahit

// Stretched Words
// Write a function that takes a string, and returns a new string with any duplicate consecutive letters removed.

// Examples
// unstretch("ppoeemm") ➞ "poem"

// unstretch("wiiiinnnnd") ➞ "wind"

// unstretch("ttiiitllleeee") ➞ "title"

ChousinRahit

// Replacing Letters with Hashes

// Write a function that replaces all letters within a specified range with the hash symbol #.

// Examples
// replace("abcdef", "c-e") ➞ "ab###f"

// replace("rattle", "r-z") ➞ "#a##le"

// replace("microscopic", "i-i") ➞ "m#croscop#c"