Just take any given string and output it in reverse, pretty easy, right?
Given a string with multiple words, return the longest word.
Start with one Fibonacci sequence number, then calculate more from there.
Take an invalid JSON string and figure out where the errors are and make it valid.
Given two strings of equal length, figure out if one is a scramble of the other.
Given a string with multiple words, find the most common character.
Take three lowercase letters and print out binary.
Merge two arrays in a zipper-like fashion.
Take a list of integers and print it after sorting it in descending order.
Take a string of comma separated numbers and print out the sum.
Take a string of numbers and output the one which appears the most.
