📄️ Convert PascalCase string into snake_case
Complete the function/method so that it takes a PascalCase string and returns the string in snake_case notation. Lowercase characters can be numbers. If the method gets a number as input, it should return a string.
📄️ Conway's Look and Say - Generalized
Your task is to create a function that will take an integer and return the result of the look-and-say function on that integer. This should be a general function that takes as input any positive integer, and returns an integer; inputs are not limited to the sequence which starts with "1".
📄️ Duplicate Encoder?
The goal of this exercise is to convert a string to a new string where each character in the new string is "(" if that character appears only once in the original string, or ")" if that character appears more than once in the original string. Ignore capitalization when determining if a character is a duplicate.
📄️ First non-repeating character
Write a function named first_non_repeating_letter† that takes a string input, and returns the first character that is not repeated anywhere in the string.
📄️ Human readable duration format
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.
📄️ Most frequently used words in a text
Write a function that, given a string of text (possibly with punctuation and line-breaks), returns an array of the top-3 most occurring words, in descending order of the number of occurrences.
📄️ Stop gninnipS My sdroW
Write a function that takes in a string of one or more words, and returns the same string, but with all words that have five or more letters reversed (Just like the name of this Kata). Strings passed in will consist of only letters and spaces. Spaces will be included only when more than one word is present.
📄️ Who likes it?
You probably know the "like" system from Facebook and other pages. People can "like" blog posts, pictures or other items. We want to create the text that should be displayed next to such an item.