There are three problems. You have 1:30 hours to finish it. The instructions are in the
Giving a string, return a list of all the character that is not in the string. For example, if the text is abc
, then the missing characters are defghijklmnopqrstuvwxyz
. Look at the test to see more example.
Given a text, count each word in the text. Return the word and its count in descending order to see what's the common word used in the text. Store the word and its count in an Entry object.