| Exercise | Description |
|---|---|
| 1: Sandbox | This page is a sandbox where you can try out all the built-in Blockly functions. |
| 2: Guess the PIN | Create a function that chooses a random four-digit random PIN. Create another that guesses the PIN. At the end of your run, a variable called 'guess' should be set to the password value. |
| 3: ROT 13 | Create a program that will prompt the user for text, and then display it with all the characters 'rotated' by 13 characters. For example, in ROT13, 'hello' becomes 'uryyb'. |