Homework for GitHub challenge 123.
GitHub Challenge 125. Puts a line of text reversed.
GitHub Challenge 126 - password check.
GitHub Challenge 127 - ask for a number, then add one to the output.
GitHub Challenge 128 - Checks for password.
GitHub Challenge 129 - printing a number of *'s.
GitHub Challenge 130 - Asks for a word and a number and prints the word n times.
GitHub Challenge 131 - Printing back text until blank.