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Complete the function, which calculates how much you need to tip based on the total amount of the bill and the service. You need to consider the following ratings: Terrible: tip 0% Poor: tip 5% Good: tip 10% Great: tip 15% Excellent: tip 20% The rating is case insensitive (so "great" = "GREAT"). If an unrecognised rating is received, then you need to return: "Rating not recognised" in Javascript..

The wide-mouth frog is particularly interested in the eating habits of other creatures. He just can't stop asking the creatures he encounters what they like to eat. But, then he meets the alligator who just LOVES to eat wide-mouthed frogs! When he meets the alligator, it then makes a tiny mouth. Your goal in this kata is to create complete the mouth_size method this method takes one argument ani..

Introduction There is a war and nobody knows - the alphabet war! There are two groups of hostile letters. The tension between left side letters and right side letters was too high and the war began. Task Write a function that accepts fight string consists of only small letters and return who wins the fight. When the left side wins return Left side wins!, when the right side wins return Right sid..

Your start-up's BA has told marketing that your website has a large audience in Scandinavia and surrounding countries. Marketing thinks it would be great to welcome visitors to the site in their own language. Luckily you already use an API that detects the user's location, so this is an easy win. The Task Think of a way to store the languages as a database (eg an object). The languages are liste..

No Loops Allowed You will be given an array a and a value x. All you need to do is check whether the provided array contains the value, without using a loop. Array can contain numbers or strings. x can be either. Return true if the array contains the value, false if not. With strings you will need to account for case. Looking for more, loop-restrained fun? Check out the other kata in the series:..

Jamie is a programmer, and James' girlfriend. She likes diamonds, and wants a diamond string from James. Since James doesn't know how to make this happen, he needs your help. Task You need to return a string that looks like a diamond shape when printed on the screen, using asterisk (*) characters. Trailing spaces should be removed, and every line must be terminated with a newline character (\n)...

You will be given an array of objects (associative arrays in PHP, table in COBOL) representing data about developers who have signed up to attend the next coding meetup that you are organising. Your task is to return an object (associative array in PHP, table in COBOL) which includes the count of each coding language represented at the meetup. For example, given the following input array: list1 ..

Description: Your colleagues have been looking over you shoulder. When you should have been doing your boring real job, you've been using the work computers to smash in endless hours of codewars. In a team meeting, a terrible, awful person declares to the group that you aren't working. You're in trouble. You quickly have to gauge the feeling in the room to decide whether or not you should gather..

Description: Return the number (count) of vowels in the given string. We will consider a, e, i, o, u as vowels for this Kata (but not y). The input string will only consist of lower case letters and/or spaces. Solution: 1. Check whether the characters in the 'sentence' are included in 'aeiou'. 2. Returns the number of included characters. def get_count(sentence): return sum([i in 'aeiou' for i i..

딕셔너리의 get 메서드와 ['키']를 이용해 값을 가져올 수 있습니다. 단 ['키']를 이용해 값을 가져올 경우, 키가 없다면 키 에러를 내뱉으므로 에러를 따로 핸들링 해주어야 합니다. >>> x {'a': 100, 'b': 200, 'c': 300} # x 딕셔너리 키-값 >>> x.get('a') # 'a'키를 가져온다. 100 >>> x.get('d') # 'd', 만약 없는 키를 요청하면 None을 반환한다. >>> >>> type(x.get('d')) >>> x.get('d', 1000) # 없는 키에 두 번째 인자로 기본값을 지정해주면 기본값을 반환한다. 1000 >>> x['a'] # get 뿐만아니라 ['키'] 형태를 이용해 값으르 가져올 수 있다. 100 >>> x['d'] # 단, 이..