The task is to convert a given integer grade (0..100) into a corresponding letter grade. The task is to compute the state tax on an item, given the cost of the item and the tax rate. Given three names, the task is to output them in alphabetical order. Given a sentence, the task is to print each word in the sentence on a separate line of output. Given a string and a character, the task is return the string obtained by removing all occurrences of the given character from the given string.